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

Distance from Cornwall, ON to McGrath, ON

Distance

236 km

Time

3 hours 21 mins

Gas Cost

$18 - $43

There are 192.47 km (119.60 miles) from Cornwall to McGrath in northwest direction and 236.57 km (147 miles) by car, following the 417 route.

Cornwall and McGrath are 3 hours 21 mins far apart, if you drive non-stop .

This is the fastest route from Cornwall, ON to McGrath, ON. The halfway point is Ottawa, ON.

Cornwall, ON and McGrath, ON are in the same time zone (EDT). Current time in both locations is 8:22 am.

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Lowest Price Rental Cars in Cornwall, ON

Planning on renting a car to go from Cornwall, ON to McGrath, 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 21.01 liters of gas to cover the route between Cornwall, ON and McGrath, ON.

The estimated cost of gas to go from Cornwall to McGrath is $31.73.

During the route, an average car will release 502.68 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 McGrath, ON

If you want to meet halfway between Cornwall, ON and McGrath, ON or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.328411 and -75.866486, or 45º 19' 42.2796" N, 75º 51' 59.3496" W. This location is 73.36 miles away from Cornwall, ON and McGrath, ON and it would take approximately 1 hour 40 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Ottawa, ON, situated 65 miles from Cornwall, ON and 84 miles from McGrath, ON. It would take 1 hour 13 mins to go from Cornwall to Ottawa and 1 hour 43 mins to go from McGrath to Ottawa.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	119.60 mi	192.47 km	103.93 nautical mi
Driving distance	147 mi	236.12 km	127.50 nautical mi

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