Distance from Errol, NH to DCA Airport


624 mi


11 hours 4 mins

Gas Cost

$38 - $73

There are 509.85 miles from Errol to Ronald Reagan Washington National Airport (DCA) in southwest direction and 624 miles (1,004.23 kilometers) by car, following the I-91 S route.

Errol and DCA Airport are 11 hours 4 mins far apart, if you drive non-stop .

This is the fastest route from Errol, NH to DCA Airport. The halfway point is Bridgeport, CT.

Errol, NH and DCA Airport are in the same time zone (EDT). Current time in both locations is 9:25 pm.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Errol, NH to DCA Airport:

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 25.06 gallons of gas to cover the route between Errol, NH and DCA Airport.

The estimated cost of gas to go from Errol to DCA Airport is $53.13.

During the route, an average car will release 490.97 pounds of CO2 to the atmosphere. The carbon footprint would be 0.79 pounds of CO2 per mile.

Best Hotels In or Near DCA Airport

Do you have where to stay when you arrive to DCA Airport? Check out our hotel recommendations:

Halfway Point Between Errol, NH and DCA Airport

If you want to meet halfway between Errol, NH and DCA Airport or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.200478 and -73.180359, or 41º 12' 1.7208" N, 73º 10' 49.2924" W. This location is 311.99 miles away from Errol, NH and DCA Airport and it would take approximately 5 hours 32 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest and also the major city is Bridgeport, CT, situated 331.84 miles from Errol, NH and 292.04 miles from DCA Airport. It would take 6 hours 4 mins to go from Errol to Bridgeport and 5 hours 4 mins to go from DCA to Bridgeport.

Major Cities Along the Route

Some other major cities along the route include Baltimore, MD,Washington, DC,Alexandria, VA, and Arlington, VA.

Weather in Errol and DCA

Compare the weather today and the next four days in Errol, NH and DCA Airport:


Mixed precipitation on Thursday through Monday.

Mar 31
Apr 1
Apr 2
Apr 3
Apr 4
Clear day Cloudy Rain Fog Fog
40° 25° 42° 20° 41° 29° 43° 31° 51° 25°
9% Rain probability 18% Rain probability 85% Rain probability 19% Rain probability 1% Rain probability
5 39 degrees 4 20 degrees 8 351 degrees 8 45 degrees 2 50 degrees


Light rain throughout the week.

Mar 31
Apr 1
Apr 2
Apr 3
Apr 4
Rain Rain Clear day Partly cloudy day Cloudy
57° 45° 59° 43° 61° 41° 64° 45° 64° 46°
82% Rain probability 82% Rain probability 7% Rain probability 1% Rain probability 2% Rain probability
8 54 degrees 8 10 degrees 11 331 degrees 9 347 degrees 4 101 degrees

Lowest Price Rental Cars in Errol, NH

Planning on renting a car to go from Errol, NH to DCA Airport? Here there are some offers to rent a car in or near Errol, NH:


Small cars

From $14


Intermediate cars

From $18


Full-size cars

From $24



From $28



From $40

Compare rental car prices in Errol »

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Errol, NH and DCA Airport in this table:

Distance type Miles Kilometers Nautical miles
Straight line distance 509.85 mi 820.52 km 443.04 nautical mi
Driving distance 624 mi 1,004.20 km 542.23 nautical mi

Road Trip Tips