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How far is Reading, PA, from Washington D.C.?

The distance between Washington D.C. (Ronald Reagan Washington National Airport) and Reading (Reading Regional Airport) is 120 miles / 193 kilometers / 104 nautical miles.

The driving distance from Washington D.C. (DCA) to Reading (RDG) is 148 miles / 238 kilometers, and travel time by car is about 3 hours 20 minutes.

Ronald Reagan Washington National Airport – Reading Regional Airport

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120
Miles
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193
Kilometers
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104
Nautical miles

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Distance from Washington D.C. to Reading

There are several ways to calculate the distance from Washington D.C. to Reading. 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 Washington D.C. to Reading?

The estimated flight time from Ronald Reagan Washington National Airport to Reading Regional Airport is 43 minutes.

What is the time difference between Washington D.C. and Reading?

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

Flight carbon footprint between Ronald Reagan Washington National Airport (DCA) and Reading Regional Airport (RDG)

On average, flying from Washington D.C. to Reading 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 Washington D.C. to Reading

See the map of the shortest flight path between Ronald Reagan Washington National Airport (DCA) and Reading Regional Airport (RDG).

Airport information

Origin Ronald Reagan Washington National Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: DCA
ICAO Code: KDCA
Coordinates: 38°51′7″N, 77°2′15″W
Destination Reading Regional Airport
City: Reading, PA
Country: United States Flag of United States
IATA Code: RDG
ICAO Code: KRDG
Coordinates: 40°22′42″N, 75°57′54″W