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

Distance from Onaping Falls, ON to Cornwall, ON

Distance

621 km

Time

8 hours 51 mins

Gas Cost

$47 - $113

There are 543.36 km (337.63 miles) from Onaping Falls to Cornwall in southeast direction and 621.21 km (386 miles) by car, following the 17 route.

Onaping Falls and Cornwall are 8 hours 51 mins far apart, if you drive non-stop .

This is the fastest route from Onaping Falls, ON to Cornwall, ON. The halfway point is Mackey, ON.

Onaping Falls, ON and Cornwall, ON are in the same time zone (EDT). Current time in both locations is 10:19 am.

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Lowest Price Rental Cars in Onaping Falls, ON

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Onaping Falls »

Gas Consumption and Emissions

A car with a fuel efficiency of 8.9 l/100 km will need 55.26 liters of gas to cover the route between Onaping Falls, ON and Cornwall, ON.

The estimated cost of gas to go from Onaping Falls to Cornwall is $83.44.

During the route, an average car will release 1,321.81 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 Onaping Falls, ON and Cornwall, ON

If you want to meet halfway between Onaping Falls, 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 46.188351 and -77.851341, or 46º 11' 18.0636" N, 77º 51' 4.8276" W. This location is 192.90 miles away from Onaping Falls, ON and Cornwall, ON and it would take approximately 4 hours 25 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Mackey, ON, situated 187 miles from Onaping Falls, ON and 199 miles from Cornwall, ON. It would take 3 hours 37 mins to go from Onaping Falls to Mackey and 3 hours 35 mins to go from Cornwall to Mackey.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	337.63 mi	543.36 km	293.39 nautical mi
Driving distance	386 mi	620.90 km	335.26 nautical mi

Road Trip Tips