Distance between cities › Canada › Ontario › Mildmay, ON › Distance from Mildmay to Cornwall Book Hotels

Distance from Mildmay, ON to Cornwall, ON

Distance

592 km

Time

7 hours 42 mins

Gas Cost

$45 - $107

There are 517.82 km (321.76 miles) from Mildmay to Cornwall in northeast direction and 592.24 km (368 miles) by car, following the 401 route.

Mildmay and Cornwall are 7 hours 42 mins far apart, if you drive non-stop .

This is the fastest route from Mildmay, ON to Cornwall, ON. The halfway point is Colborne, ON.

Mildmay, ON and Cornwall, ON are in the same time zone (EDT). Current time in both locations is 1:27 pm.

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Lowest Price Rental Cars in Mildmay, ON

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Mildmay »

Gas Consumption and Emissions

A car with a fuel efficiency of 8.9 l/100 km will need 52.69 liters of gas to cover the route between Mildmay, ON and Cornwall, ON.

The estimated cost of gas to go from Mildmay to Cornwall is $79.57.

During the route, an average car will release 1,260.46 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 3, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Mildmay, ON and Cornwall, ON

If you want to meet halfway between Mildmay, ON and Cornwall, ON or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.025272 and -77.897705, or 44º 1' 30.9792" N, 77º 53' 51.738" W. This location is 183.95 miles away from Mildmay, ON and Cornwall, ON and it would take approximately 3 hours 51 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Colborne, ON, situated 185 miles from Mildmay, ON and 186 miles from Cornwall, ON. It would take 3 hours 39 mins to go from Mildmay to Colborne and 3 hours 6 mins to go from Cornwall to Colborne.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Mildmay, ON and Cornwall, ON in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	321.76 mi	517.82 km	279.60 nautical mi
Driving distance	368 mi	592.08 km	319.70 nautical mi

Road Trip Tips