How far is Washington D.C. from Reading, PA?
The distance between Reading (Reading Regional Airport) and Washington D.C. (Ronald Reagan Washington National Airport) is 120 miles / 193 kilometers / 104 nautical miles.
The driving distance from Reading (RDG) to Washington D.C. (DCA) is 149 miles / 239 kilometers, and travel time by car is about 3 hours 17 minutes.
Reading Regional Airport – Ronald Reagan Washington National Airport
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Distance from Reading to Washington D.C.
There are several ways to calculate the distance from Reading to Washington D.C.. Here are two standard methods:
Vincenty's formula (applied above)- 119.847 miles
- 192.875 kilometers
- 104.144 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 119.920 miles
- 192.992 kilometers
- 104.207 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).
How long does it take to fly from Reading to Washington D.C.?
The estimated flight time from Reading Regional Airport to Ronald Reagan Washington National Airport is 43 minutes.
What is the time difference between Reading and Washington D.C.?
There is no time difference between Reading and Washington D.C..
Flight carbon footprint between Reading Regional Airport (RDG) and Ronald Reagan Washington National Airport (DCA)
On average, flying from Reading to Washington D.C. generates about 43 kg of CO2 per passenger, and 43 kilograms equals 94 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Reading to Washington D.C.
See the map of the shortest flight path between Reading Regional Airport (RDG) and Ronald Reagan Washington National Airport (DCA).
Airport information
| Origin | Reading Regional Airport |
|---|---|
| City: | Reading, PA |
| Country: | United States  |
| IATA Code: | RDG |
| ICAO Code: | KRDG |
| Coordinates: | 40°22′42″N, 75°57′54″W |
| Destination | 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 |