Distance between cities › Canada › Ontario › Douglas, ON › Distance from Douglas to Napierville Book Hotels

Distance from Douglas, ON to Napierville, QC

Distance

346 km

Time

4 hours 20 mins

Gas Cost

$26 - $63

There are 278.41 km (173 miles) from Douglas to Napierville in east direction and 346.01 km (215 miles) by car, following the 417 route.

Douglas and Napierville are 4 hours 20 mins far apart, if you drive non-stop .

This is the fastest route from Douglas, ON to Napierville, QC.

Douglas, ON and Napierville, QC are in the same time zone (EDT). Current time in both locations is 5:21 pm.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Douglas, ON to Napierville, QC:

Lowest Price Rental Cars in Douglas, ON

Planning on renting a car to go from Douglas, ON to Napierville, QC? Here there are some offers to rent a car in Douglas, ON

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Douglas »

Gas Consumption and Emissions

A car with a fuel efficiency of 8.9 l/100 km will need 30.77 liters of gas to cover the route between Douglas, ON and Napierville, QC.

The estimated cost of gas to go from Douglas to Napierville is $46.46.

During the route, an average car will release 736 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 Douglas, ON and Napierville, QC

If you want to meet halfway between Douglas, ON and Napierville, QC or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.303319 and -75.074802, or 45º 18' 11.9484" N, 75º 4' 29.2872" W. This location is 107.41 miles away from Douglas, ON and Napierville, QC and it would take approximately 2 hours 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 Casselman, ON, situated 106 miles from Douglas, ON and 111 miles from Napierville, QC. It would take 2 hours 11 mins to go from Douglas to Casselman and 2 hours 14 mins to go from Napierville to Casselman.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Douglas, ON and Napierville, QC in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	173 mi	278.41 km	150.33 nautical mi
Driving distance	215 mi	345.72 km	186.67 nautical mi

Road Trip Tips