The distance from National Harbor Heliport () to Raleigh Durham International Airport (RDU) is 224 miles or 361 kilometers or 195 nautical miles.
The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.
361 kilometers is the direct flight distance between National Harbor Heliport (United States) and Raleigh Durham International Airport (United States).
How long does it take to travel from Oxon Hill ( United States ) to Raleigh/Durham ( United States )?
A one-way nonstop (direct) flight between Oxon Hill and Raleigh/Durham takes around 0 hours 30 minutes.
Estimated
flight time from National Harbor Heliport, Oxon Hill, United States to Raleigh Durham International Airport, Raleigh/Durham, United States is
0 hours 30 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.
Travel Distance Between the Airports • - RDU
| Kilometers | | 361 km |
| Statute Miles | | 224 miles |
| Nautical Miles | | 195 nm |
| Avg. Time of Flight | | 0 hours 30 minutes |
National Harbor Heliport to Raleigh Durham International Airport Flight Route Map - to RDU Flight Path
Location of National Harbor Heliport & Raleigh Durham International Airport is given below.
Click the map to view Oxon Hill to Raleigh/Durham nonstop flight path and travel direction.
Click to see flight route on Google Map between Oxon Hill, United States and Raleigh/Durham, United States. .
Nonstop flight route between Oxon Hill, United States and Raleigh/Durham, United States.
Time Difference Between the Airports • - RDU
Time difference between
Oxon Hill (United States) and
Raleigh/Durham (United States) is 0 Hours.
| Location | Local Time |
| Oxon Hill (United States) | 2026-05-07, 11:29:36 EDT |
| Raleigh/Durham (United States) | 2026-05-07, 11:29:36 EDT |
Why should you arrive 3 hours before international flight?
Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.