Getting around Sarnia: walking, cycling and transit times
à portée’s map shows the trip on foot, by bike and by transit from every populated block in Sarnia to the nearest grocery store, pharmacy, school, park and other everyday places. It is free, with no account.
- residents in 2021
- 72,047
- within a 15-minute walk of a grocery store
- 31%
- typical walk to a grocery store
- 22 min
- of 1,000 communities for groceries on foot
- 420th
Travel times across Sarnia
Each block is coloured by the trip from it to the nearest place of the kind you pick, on foot, by bike or by transit. Move the map, or open it in à portée for any address and all 29 kinds of place.
Transit times are for a weekday at peak hours. A free plus account adds a mode and a time limit for each place, and transit at night on weekdays and at midday on Saturday and Sunday.
Getting around Sarnia
The share of Sarnia residents within a trip of each place, and the typical trip, by each way of getting there the free map offers.
| Place | On foot | By bike | By transit, weekday morning peak |
|---|---|---|---|
| Grocery store | 16%typical 22 min | 62%typical 8 min | 16%typical 22 min |
| Pharmacy | 38%typical 13 min | 80%typical 5 min | 38%typical 13 min |
| Park | 77%typical 7 min | 98%typical 2 min | 77%typical 7 min |
| Elementary school | 28%typical 15 min | 77%typical 6 min | 28%typical 15 min |
| Place | On foot | By bike | By transit, weekday morning peak |
|---|---|---|---|
| Grocery store | 31%typical 22 min | 81%typical 8 min | 31%typical 22 min |
| Pharmacy | 59%typical 13 min | 89%typical 5 min | 59%typical 13 min |
| Park | 94%typical 7 min | 99%typical 2 min | 94%typical 7 min |
| Elementary school | 52%typical 15 min | 88%typical 6 min | 52%typical 15 min |
| Place | On foot | By bike | By transit, weekday morning peak |
|---|---|---|---|
| Grocery store | 44%typical 22 min | 91%typical 8 min | 44%typical 22 min |
| Pharmacy | 70%typical 13 min | 94%typical 5 min | 70%typical 13 min |
| Park | 98%typical 7 min | 99%typical 2 min | 98%typical 7 min |
| Elementary school | 67%typical 15 min | 91%typical 6 min | 68%typical 15 min |
| Place | On foot | By bike | By transit, weekday morning peak |
|---|---|---|---|
| Grocery store | 69%typical 22 min | 97%typical 8 min | 74%typical 22 min |
| Pharmacy | 86%typical 13 min | 98%typical 5 min | 86%typical 13 min |
| Park | 99%typical 7 min | 99%typical 2 min | 99%typical 7 min |
| Elementary school | 81%typical 15 min | 96%typical 6 min | 83%typical 15 min |
Cycling and transit follow the street network, hills included. A transit trip includes the walk to and from the stops, at the median departure of a weekday morning peak, and is never slower than walking the whole way. Within 15 minutes means under 16: times are rounded down to the whole minute.
Sarnia in numbers
31% of Sarnia residents live within a 15-minute walk of a grocery store, compared with 48% across Ontario and 45% across Canada.
Residents within a walk of each place
| Place | 10 min | 15 min | 20 min | 30 min | Typical walk |
|---|---|---|---|---|---|
| Grocery store | 16% | 31% | 44% | 69% | 22 min |
| Pharmacy | 38% | 59% | 70% | 86% | 13 min |
| Park | 77% | 94% | 98% | 99% | 7 min |
| Elementary school | 28% | 52% | 67% | 81% | 15 min |
Within a 15-minute walk, beside Ontario and Canada
| Place | Sarnia | Ontario | Canada | Rank among the 1,000 communities with a page |
|---|---|---|---|---|
| Grocery store | 31% | 48% | 45% | 420th of 1,000100th of 269 in Ontario |
| Pharmacy | 59% | 60% | 51% | 94th of 1,00037th of 269 in Ontario |
| Park | 94% | 87% | 82% | 198th of 1,00042nd of 269 in Ontario |
| Elementary school | 52% | 60% | 55% | 217th of 1,00059th of 269 in Ontario |
Sarnia Ontario
Communities of a similar size
The communities closest to Sarnia in population, and the share of their residents within a 15-minute walk of a grocery store. Communities are 2021 census subdivisions (cities, towns, counties and other municipalities), compared within their municipal boundaries.
| Community | Residents | Grocery within 15 min |
|---|---|---|
| Airdrie | 74,100 | 29% |
| Wood Buffalo | 72,326 | 32% |
| Sault Ste. Marie | 72,051 | 36% |
| Sarnia | 72,047 | 31% |
| Saint John | 69,895 | 32% |
More places across the Lambton County census division
The Lambton County census division has 128,154 residents, 56% of them in Sarnia. The share of them within a 15-minute walk of more kinds of place:
- Convenience store50%
- Café41%
- Bakery19%
- Library18%
- Playground21%
- Childcare20%
- Community centre19%
- Clinic27%
Other communities in the Lambton County area
Beside each community is the share of its residents who can reach a grocery store within a 15-minute walk.
Shares of 2021 residents of populated census blocks, on foot along the street network. How the walking times are computed
Travel times are our best estimates from open data published October 8, 2026 and can contain errors. Walking and cycling times are rounded down, so “within 15 minutes” means under 16. Check before an important decision, and tell us if something looks wrong.
Questions
Is Sarnia walkable?
One measure is the share of residents within a 15-minute walk of everyday places. In Sarnia, 31% of residents live within a 15-minute walk of a grocery store, compared with 48% across Ontario and 45% across Canada. On this measure, Sarnia ranks 420th of 1,000 communities.
Can you get around Sarnia by bike?
By bike, 81% of Sarnia residents reach a grocery store within 15 minutes, 89% a pharmacy, 99% a park and 88% an elementary school. On foot, 31% are within 15 minutes of a grocery store. The typical trip to a grocery store takes 8 min by bike and 22 min on foot. Cycling times follow the street network, hills included; they don’t say whether a street is safe or comfortable to ride.
Does transit help you reach everyday places in Sarnia?
By transit at the weekday morning peak, 31% of Sarnia residents reach a grocery store within 15 minutes, against 31% on foot and 81% by bike. These times include the walk to and from the stops and the wait. The typical trip takes 22 min by transit and 22 min on foot. Where transit would be slower than walking, the time shown is the walk.
Is Sarnia a 15-minute city?
It depends on which everyday places you count. Within a 15-minute walk, 31% of residents reach a grocery store, 59% a pharmacy, 94% a park and 52% an elementary school. These figures count each place separately; open the map to see how many residents have all four within 15 minutes, for the places you choose.
How does Sarnia compare with communities of a similar size?
In Sarnia, 31% of residents live within a 15-minute walk of a grocery store; in the communities closest to it in population, the share is 29% in Airdrie, 32% in Wood Buffalo, 36% in Sault Ste. Marie and 32% in Saint John.
Where does this data come from?
Walking, cycling and transit times follow the street network, hills included, from each populated 2021 census block to the nearest place of each kind. Transit uses the operators’ published timetables at the weekday morning peak. Places come from OpenStreetMap and Overture Maps, with health care and schools checked against Statistics Canada’s open databases. Shares are weighted by 2021 population. Data published 8 October 2026. How the times are computed
Sarnia in brief
- Province
- Ontario
- Census division
- Lambton County
- Census subdivision code
- 3538030
- Residents in 2021
- 72,047
- Data published
- 8 October 2026
Sources: places from OpenStreetMap (© OpenStreetMap contributors, ODbL) and the Overture Maps Foundation; census blocks, 2021 populations and municipal boundaries adapted from Statistics Canada under the Open Government Licence – Canada; transit times from the operators’ published timetables; elevation from Natural Resources Canada; province outlines from Natural Earth; links from Wikidata (CC0), Wikipedia and Wikivoyage (CC BY-SA). Figures derived from OpenStreetMap are under the ODbL. Data sources and licences