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

Distance from Cornwall, ON to Mono, ON

Distance

515 km

Time

6 hours 25 mins

Gas Cost

$39 - $93

There are 437.50 km (271.85 miles) from Cornwall to Mono in southwest direction and 514.99 km (320 miles) by car, following the 401 route.

Cornwall and Mono are 6 hours 25 mins far apart, if you drive non-stop .

This is the fastest route from Cornwall, ON to Mono, ON. The halfway point is Belleville, ON.

Cornwall, ON and Mono, ON are in the same time zone (EDT). Current time in both locations is 12:37 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 Mono, 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 45.81 liters of gas to cover the route between Cornwall, ON and Mono, ON.

The estimated cost of gas to go from Cornwall to Mono is $69.17.

During the route, an average car will release 1,095.69 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 Mono, ON

If you want to meet halfway between Cornwall, ON and Mono, ON or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.183945 and -77.434822, or 44º 11' 2.202" N, 77º 26' 5.3592" W. This location is 159.90 miles away from Cornwall, ON and Mono, ON and it would take approximately 3 hours 12 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest city to the halfway point is Belleville, ON, situated 160 miles from Cornwall, ON and 165 miles from Mono, ON. It would take 2 hours 41 mins to go from Cornwall to Belleville and 2 hours 53 mins to go from Mono to Belleville.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	271.85 mi	437.50 km	236.23 nautical mi
Driving distance	320 mi	514.68 km	277.90 nautical mi

Road Trip Tips