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

Distance from Grimsby, ON to Mount Forest, ON

Distance

141 km

Time

2 hours 20 mins

Gas Cost

$11 - $25

There are 128.80 km (80.03 miles) from Grimsby to Mount Forest in northwest direction and 140.01 km (87 miles) by car, following the 1 route.

Grimsby and Mount Forest are 2 hours 20 mins far apart, if you drive non-stop .

This is the fastest route from Grimsby, ON to Mount Forest, ON. The halfway point is Aberfoyle, ON.

Grimsby, ON and Mount Forest, ON are in the same time zone (EDT). Current time in both locations is 10:12 pm.

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 Mount Forest, 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 12.51 liters of gas to cover the route between Grimsby, ON and Mount Forest, ON.

The estimated cost of gas to go from Grimsby to Mount Forest is $18.88.

During the route, an average car will release 299.12 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 Grimsby, ON and Mount Forest, ON

If you want to meet halfway between Grimsby, ON and Mount Forest, ON or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.481113 and -80.200333, or 43º 28' 52.0068" N, 80º 12' 1.1988" W. This location is 43.65 miles away from Grimsby, ON and Mount Forest, ON and it would take approximately 1 hour 10 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Aberfoyle, ON, situated 41 miles from Grimsby, ON and 48 miles from Mount Forest, ON. It would take 50 minutes to go from Grimsby to Aberfoyle and 1 hour 8 mins to go from Mount Forest to Aberfoyle.

Major City Closest to Halfway Point

The major city closest to the halfway point between Grimsby, ON and Mount Forest, ON is Guelph, ON, situated 48 miles from Grimsby, ON and 41 miles from Mount Forest, ON. It would take 1 hour 2 mins to go from Grimsby to and 56 minutes to go from Mount Forest to Guelph.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	80.03 mi	128.80 km	69.54 nautical mi
Driving distance	87 mi	140.51 km	75.87 nautical mi

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