Distance between cities › Canada › Ontario › Mackey, ON › Distance from Mackey to Sarnia Book Hotels

Distance from Mackey, ON to Sarnia, ON

Distance

721 km

Time

9 hours 28 mins

Gas Cost

$54 - $131

There are 509.42 km (316.54 miles) from Mackey to Sarnia in southwest direction and 720.99 km (448 miles) by car, following the 11 route.

Mackey and Sarnia are 9 hours 28 mins far apart, if you drive non-stop .

This is the fastest route from Mackey, ON to Sarnia, ON. The halfway point is Barrie, ON.

Mackey, ON and Sarnia, ON are in the same time zone (EDT). Current time in both locations is 10:31 pm.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Mackey, ON to Sarnia, ON:

Lowest Price Rental Cars in Mackey, ON

Planning on renting a car to go from Mackey, ON to Sarnia, ON? Here there are some offers to rent a car in Mackey, ON

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Mackey »

Gas Consumption and Emissions

A car with a fuel efficiency of 8.9 l/100 km will need 64.17 liters of gas to cover the route between Mackey, ON and Sarnia, ON.

The estimated cost of gas to go from Mackey to Sarnia is $96.90.

During the route, an average car will release 1,535.06 kilograms of CO₂ to the atmosphere. The carbon footprint would be 2.13 kilograms of CO₂ per kilometer.

Average Canada gas price used for calculation is $1.51 per liter of regular gas. Price last updated on March 4, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Mackey, ON and Sarnia, ON

If you want to meet halfway between Mackey, ON and Sarnia, ON or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.388870 and -79.692642, or 44º 23' 19.932" N, 79º 41' 33.5112" W. This location is 224.03 miles away from Mackey, ON and Sarnia, ON and it would take approximately 4 hours 44 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest and also the major city is Barrie, ON, situated 230.03 miles from Mackey, ON and 218.66 miles from Sarnia, ON. It would take 4 hours 20 mins to go from Mackey to Barrie and 3 hours 34 mins to go from Sarnia to Barrie.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Mackey, ON and Sarnia, ON in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	316.54 mi	509.42 km	275.07 nautical mi
Driving distance	448 mi	721.07 km	389.35 nautical mi

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