Air Miles Calculator

Distance between Roanoke, VA (ROA) and Greensboro, NC (GSO)

Flight distance from Roanoke to Greensboro (Roanoke–Blacksburg Regional Airport – Greensboro Piedmont Triad International Airport) is 85 miles / 136 kilometers / 74 nautical miles. Estimated flight time is 39 minutes.

Driving distance from Roanoke (ROA) to Greensboro (GSO) is 103 miles / 165 kilometers and travel time by car is about 1 hour 59 minutes.

Map of flight path and driving directions from Roanoke to Greensboro.

Shortest flight path between Roanoke–Blacksburg Regional Airport (ROA) and Greensboro Piedmont Triad International Airport (GSO).

How far is Greensboro from Roanoke?

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

Vincenty's formula (applied above)
  • 84.682 miles
  • 136.283 kilometers
  • 73.587 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
  • 84.852 miles
  • 136.556 kilometers
  • 73.735 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 Roanoke–Blacksburg Regional Airport
City: Roanoke, VA
Country: United States Flag of United States
IATA Code: ROA
ICAO Code: KROA
Coordinates: 37°19′31″N, 79°58′31″W

B Greensboro Piedmont Triad International Airport
City: Greensboro, NC
Country: United States Flag of 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 Roanoke and Greensboro.

Time Difference

Roanoke, VA

 EST

Greensboro, NC

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 37 kg (83 pounds).

Frequent Flyer Miles Calculator

Roanoke (ROA) → Greensboro (GSO).

Distance:
85
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
85

Round trip?