Distance between cities › Canada › Ontario › Forest, ON › Distance from Forest to Saint John Book Hotels

Distance from Forest, ON to Saint John, NB

Distance

1,032 km

Time

14 hours 6 mins

Gas Cost

$78 - $187

There are 837.93 km (520.67 miles) from Forest to Saint John in east direction and 1,033.20 km (642 miles) by car, following the I-395 and ME 9 and ME 15 route.

Forest and Saint John are 14 hours 6 mins far apart, if you drive non-stop .

This is the fastest route from Forest, ON to Saint John, NB.

Please note the time difference between Forest, ON and Saint John, NB is 1 hour. The current time in Forest is 5:22 am and the current time in Saint John is 6:22 am.

Any questions or tips to share?

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Lowest Price Rental Cars in Forest, ON

Planning on renting a car to go from Forest, ON to Saint John, NB? Here there are some offers to rent a car in Forest, ON

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Forest »

Gas Consumption and Emissions

A car with a fuel efficiency of 8.9 l/100 km will need 91.89 liters of gas to cover the route between Forest, ON and Saint John, NB.

The estimated cost of gas to go from Forest to Saint John is $138.76.

During the route, an average car will release 2,198.06 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 Forest, ON and Saint John, NB

If you want to meet halfway between Forest, ON and Saint John, NB or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.401821 and -71.214153, or 45º 24' 6.5556" N, 71º 12' 50.9508" W. This location is 320.78 miles away from Forest, ON and Saint John, NB and it would take approximately 7 hours 3 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Hampden, QC, situated 319 miles from Forest, ON and 331 miles from Saint John, NB. It would take 6 hours 43 mins to go from Forest to Hampden and 7 hours 38 mins to go from Saint John to Hampden.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Forest, ON and Saint John, NB in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	520.67 mi	837.93 km	452.45 nautical mi
Driving distance	642 mi	1,032.50 km	557.50 nautical mi

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