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

Distance from Cornwall, ON to Mildmay, ON

Distance

594 km

Time

7 hours 42 mins

Gas Cost

$45 - $108

There are 517.82 km (321.76 miles) from Cornwall to Mildmay in southwest direction and 593.85 km (369 miles) by car, following the 401 route.

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

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

Cornwall, ON and Mildmay, ON are in the same time zone (EDT). Current time in both locations is 7:47 am.

Any questions or tips to share?

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Lowest Price Rental Cars in Cornwall, ON

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Cornwall »

Gas Consumption and Emissions

A car with a fuel efficiency of 8.9 l/100 km will need 52.84 liters of gas to cover the route between Cornwall, ON and Mildmay, ON.

The estimated cost of gas to go from Cornwall to Mildmay is $79.78.

During the route, an average car will release 1,263.86 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 Cornwall, ON and Mildmay, ON

If you want to meet halfway between Cornwall, ON and Mildmay, ON or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.025620 and -77.896317, or 44º 1' 32.232" N, 77º 53' 46.7412" W. This location is 184.45 miles away from Cornwall, ON and Mildmay, 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 East Colborne, ON, situated 188 miles from Cornwall, ON and 190 miles from Mildmay, ON. It would take 3 hours 10 mins to go from Cornwall to East Colborne and 3 hours 40 mins to go from Mildmay to East Colborne.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Cornwall, ON and Mildmay, 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	369 mi	593.67 km	320.56 nautical mi

Road Trip Tips