# Distance between Washington D.C. (IAD) and Greensboro, NC (GSO)

Flight distance from Washington D.C. to Greensboro (Washington Dulles International Airport – Greensboro Piedmont Triad International Airport) is 239 miles / 385 kilometers / 208 nautical miles. Estimated flight time is 57 minutes.

Driving distance from Washington D.C. (IAD) to Greensboro (GSO) is 286 miles / 461 kilometers and travel time by car is about 5 hours 48 minutes.

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

Shortest flight path between Washington Dulles International Airport (IAD) and Greensboro Piedmont Triad International Airport (GSO).

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

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

Vincenty's formula (applied above)
• 238.977 miles
• 384.596 kilometers
• 207.665 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
• 239.096 miles
• 384.787 kilometers
• 207.769 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 Washington Dulles International Airport
City: Washington D.C.
Country: United States
Coordinates: 38°56′40″N, 77°27′20″W

B Greensboro Piedmont Triad International Airport
City: Greensboro, NC
Country: United States
IATA Code: GSO
ICAO Code: KGSO
Coordinates: 36°5′52″N, 79°56′14″W

## Time difference and current local times

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

EDT

EDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 60 kg (133 pounds).

## Frequent Flyer Miles Calculator

Washington D.C. (IAD) → Greensboro (GSO).

Distance:
239
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
239

Round trip?