Distance between St. Marys ON and Sarnia ON

The distance from St. Marys to Sarnia is 119 kilometers by road including 61 kilometers on motorways. Road takes approximately 1 hour and 17 minutes and goes through Ailsa Craig.

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City
Town
Village
Hamlet
Motorway
Primary
Secondary
Unclassified
Point Distance Time Fuel
St. Marys 0 km 0:00 00 min 0.0 L
123 7 37 km, 28 min
Ailsa Craig 37 km 0:28 28 min 2.6 L
7 402 82 km, 48 min
Sarnia 119 km 1:17 1 h 17 min 8.2 L

Frequently Asked Questions

How much does it cost to drive from St. Marys to Sarnia?

Fuel cost: 16.8 CAD

This fuel cost is calculated as: (Route length 119 km / 100 km) * (Fuel consumption 8 L/100 km) * (Fuel price 1.77 CAD / L)

You can adjust fuel consumption and fuel price here.

How long is a car ride from St. Marys to Sarnia?

Driving time: 1 h 17 min

This time is calculated for driving at the maximum permitted speed, taking into account traffic rules restrictions.

  • 53 km with a maximum speed 110 km/h = 28 min
  • 8 km with a maximum speed 100 km/h = 4 min
  • 15 km with a maximum speed 90 km/h = 9 min
  • 40 km with a maximum speed 80 km/h = 30 min
  • 3 km with a maximum speed 50 km/h = 3 min

The calculated driving time does not take into account intermediate stops and traffic jams.

How far is St. Marys to Sarnia by land?

The distance between St. Marys and Sarnia is 119 km by road including 61 km on motorways.

Precise satellite coordinates of highways were used for this calculation. The start and finish points are the centers of St. Marys and Sarnia respectively.

How far is St. Marys to Sarnia by plane?

The shortest distance (air line, as the crow flies) between St. Marys and Sarnia is 105 km.

This distance is calculated using the Haversine formula as a great-circle distance between two points on the surface of a sphere. The start and finish points are the centers of St. Marys and Sarnia respectively. Actual distance between airports may be different.

How many hours is St. Marys from Sarnia by plane?

Boeing 737 airliner needs 7 min to cover the distance of 105 km at a cruising speed of 800 km/h.

Small plane "Cessna 172" needs 28 min to flight this distance at average speed of 220 km/h.

This time is approximate and do not take into account takeoff and landing times, airport location and other real world factors.

How long is a helicopter ride from St. Marys to Sarnia?

Fast helicopter "Eurocopter AS350" or "Hughes OH-6 Cayuse" need 26 min to cover the distance of 105 km at a cruising speed of 240 km/h.

Popular "Robinson R44" needs 30 min to flight this distance at average speed of 210 km/h.

This time is approximate and do not take into account takeoff and landing times, aerodrome location and other real world factors.

Where is St. Marys in relation to Sarnia?

St. Marys is located 105 km east of Sarnia.

St. Marys has geographic coordinates: latitude 43.25626, longitude -81.14027.

Sarnia has geographic coordinates: latitude 42.9926, longitude -82.38098.

Which highway goes from St. Marys to Sarnia?

The route from St. Marys to Sarnia follows 402.

Other minor sections pass along the road:

  • 7: 33 km
  • 19: 15 km
  • 81: 5 km
  • 123: 2 km
The distance between St. Marys and Sarnia is ranked 11,935th in the ranking popularity.
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