# Distance between Washington D.C. (DCA) and Raleigh, NC (RDU)

Flight distance from Washington D.C. to Raleigh (Ronald Reagan Washington National Airport – Raleigh–Durham International Airport) is 227 miles / 365 kilometers / 197 nautical miles. Estimated flight time is 55 minutes.

Driving distance from Washington D.C. (DCA) to Raleigh (RDU) is 268 miles / 431 kilometers and travel time by car is about 4 hours 56 minutes.

## Map of flight path and driving directions from Washington D.C. to Raleigh.

Shortest flight path between Ronald Reagan Washington National Airport (DCA) and Raleigh–Durham International Airport (RDU).

## How far is Raleigh from Washington D.C.?

There are several ways to calculate distances between Washington D.C. and Raleigh. Here are two common methods:

Vincenty's formula (applied above)
• 226.603 miles
• 364.682 kilometers
• 196.912 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
• 226.859 miles
• 365.094 kilometers
• 197.135 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

## Airport information

A Ronald Reagan Washington National Airport
City: Washington D.C.
Country: United States
IATA Code: DCA
ICAO Code: KDCA
Coordinates: 38°51′7″N, 77°2′15″W

B Raleigh–Durham International Airport
City: Raleigh, NC
Country: United States
IATA Code: RDU
ICAO Code: KRDU
Coordinates: 35°52′39″N, 78°47′14″W

## Time difference and current local times

There is no time difference between Washington D.C. and Raleigh.

EDT

EDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 58 kg (129 pounds).

## Frequent Flyer Miles Calculator

Washington D.C. (DCA) → Raleigh (RDU).

Distance:
227
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
227

Round trip?