Dover, New Hampshire to Ottawa, Ontario, Canada: Road Trip Guide & Distance

How far is Dover, New Hampshire from Ottawa, Ontario, Canada?

The distance from Dover, New Hampshire to Ottawa, Ontario, Canada is 283.6 miles (456.4 km) as the crow flies. Ottawa, Ontario, Canada is located NW of Dover, New Hampshire. By car, the driving distance is approximately 354.5 miles, taking about 7h 8min. A direct flight would take roughly 1h 4min. Dover, New Hampshire is in New Hampshire, United States, while Ottawa, Ontario, Canada is in Ontario, Canada.

For a drive of this length, it's recommended to plan at least one quick rest stop to stretch your legs and grab a coffee. Since you'll be heading mostly West, pack a good pair of sunglasses if you plan to drive during the late afternoon to avoid the harsh sun glare. Keep in mind this route crosses international borders. Don't forget your passport, and check current border crossing times and vehicle insurance requirements.

Coordinates come from public place data for Dover, New Hampshire and Ottawa, Ontario, Canada. The driving distance is estimated from straight-line distance with a road-factor model, so confirm the route in your navigation app. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.