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

Distance from Grimsby, ON to McGrath, ON

Distance

447 km

Time

6 hours 8 mins

Gas Cost

$34 - $81

There are 321.12 km (199.53 miles) from Grimsby to McGrath in northeast direction and 447.40 km (278 miles) by car, following the 401 route.

Grimsby and McGrath are 6 hours 8 mins far apart, if you drive non-stop .

This is the fastest route from Grimsby, ON to McGrath, ON. The halfway point is Peterborough, ON.

Grimsby, ON and McGrath, ON are in the same time zone (EDT). Current time in both locations is 6:38 am.

Any questions or tips to share?

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Lowest Price Rental Cars in Grimsby, ON

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Grimsby »

Gas Consumption and Emissions

A car with a fuel efficiency of 8.9 l/100 km will need 39.77 liters of gas to cover the route between Grimsby, ON and McGrath, ON.

The estimated cost of gas to go from Grimsby to McGrath is $60.05.

During the route, an average car will release 951.20 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 5, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Grimsby, ON and McGrath, ON

If you want to meet halfway between Grimsby, 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 44.287643 and -78.272247, or 44º 17' 15.5148" N, 78º 16' 20.0892" W. This location is 138.82 miles away from Grimsby, ON and McGrath, ON and it would take approximately 3 hours 4 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest city to the halfway point is Peterborough, ON, situated 135 miles from Grimsby, ON and 144 miles from McGrath, ON. It would take 2 hours 20 mins to go from Grimsby to Peterborough and 3 hours 16 mins to go from McGrath to Peterborough.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	199.53 mi	321.12 km	173.39 nautical mi
Driving distance	278 mi	446.81 km	241.26 nautical mi

Road Trip Tips