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

Distance from Merlin, ON to Cornwall, ON

Distance

729 km

Time

9 hours 1 min

Gas Cost

$55 - $132

There are 678 km (421.29 miles) from Merlin to Cornwall in northeast direction and 729.03 km (453 miles) by car, following the 401 route.

Merlin and Cornwall are 9 hours 1 min far apart, if you drive non-stop .

This is the fastest route from Merlin, ON to Cornwall, ON. The halfway point is Clarington, ON.

Merlin, ON and Cornwall, ON are in the same time zone (EDT). Current time in both locations is 1:57 pm.

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Lowest Price Rental Cars in Merlin, ON

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Merlin »

Gas Consumption and Emissions

A car with a fuel efficiency of 8.9 l/100 km will need 64.90 liters of gas to cover the route between Merlin, ON and Cornwall, ON.

The estimated cost of gas to go from Merlin to Cornwall is $98.

During the route, an average car will release 1,552.45 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 Merlin, ON and Cornwall, ON

If you want to meet halfway between Merlin, 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 43.917957 and -78.616447, or 43º 55' 4.6452" N, 78º 36' 59.2092" W. This location is 226.56 miles away from Merlin, ON and Cornwall, ON and it would take approximately 4 hours 30 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Clarington, ON, situated 235 miles from Merlin, ON and 223 miles from Cornwall, ON. It would take 4 hours 1 min to go from Merlin to Clarington and 3 hours 44 mins to go from Cornwall to Clarington.

Major City Closest to Halfway Point

The major city closest to the halfway point between Merlin, ON and Cornwall, ON is Oshawa, ON, situated 221 miles from Merlin, ON and 235 miles from Cornwall, ON. It would take 3 hours 46 mins to go from Merlin to and 3 hours 55 mins to go from Cornwall to Oshawa.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	421.29 mi	678 km	366.09 nautical mi
Driving distance	453 mi	729.23 km	393.75 nautical mi

Road Trip Tips