Merrimack to Washington DC: Road Trip Guide & Distance

How far is Merrimack from Washington DC?

The distance from Merrimack to Washington DC is 398.1 miles (640.7 km) as the crow flies. Washington DC is located SW of Merrimack. By car, the driving distance is approximately 456.5 miles, taking about 9h 44min. A direct flight would take roughly 1h 18min. Both are located in United States — Merrimack in New Hampshire and Washington DC in District of Columbia.

This is a solid day of driving. Be sure to take breaks every 2-3 hours to avoid driver fatigue, and plan your meals ahead of time. 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.

Coordinates come from public place data for Merrimack and Washington DC. The driving distance uses an OSRM road-route result when route data is available. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.