Ajax to Sarnia: Road Trip Guide & Distance

179.6 miles 289 km · straight line
199.3 miles actual route 320.8 km · driving distance
3h 55min estimated drive time
CAD 32 - CAD 40 estimated fuel cost
~52min flight time
252° WSW bearing direction

How far is Ajax from Sarnia?

The distance from Ajax to Sarnia is 179.6 miles (289 km) as the crow flies. Sarnia is located WSW of Ajax. By car, the driving distance is approximately 199.3 miles, taking about 3h 55min. A direct flight would take roughly 52min. Both are located in Canada.

For a drive of this length, it's recommended to plan at least one quick rest stop to stretch your legs and grab a coffee. Since you'll be heading mostly West, pack a good pair of sunglasses if you plan to drive during the late afternoon to avoid the harsh sun glare. Given the short distance, driving or taking a train is often faster and more convenient than dealing with airport security and flight boarding times.

Coordinates come from public place data for Ajax and Sarnia. The driving distance uses an OSRM road-route result when route data is available. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.

How to Get from Ajax to Sarnia

Method Time Est. Cost Best For
Drive 3h 55min CAD 32 - CAD 40 Flexible stops
Fly ~52min $80–200* Speed
Bus ~4h 42min $16–$30* Budget
Train ~3h 43min $24–$70* Comfort

Suggested Stops Between Ajax & Sarnia

Quick Facts

Ajax
43.85°N, 79.03°W
America/Toronto
97m elevation
Sarnia
42.98°N, 82.40°W
America/Toronto
185m elevation
Explore more routes from Sarnia

Did You Know?

  • At walking speed (3 mph), it would take about 60 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 15 hours
  • You could travel this distance about 138.7 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · OSRM