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How far is Petersburg, AK, from Roanoke, VA?

The distance between Roanoke (Roanoke–Blacksburg Regional Airport) and Petersburg (Petersburg James A. Johnson Airport) is 2748 miles / 4422 kilometers / 2388 nautical miles.

The driving distance from Roanoke (ROA) to Petersburg (PSG) is 3500 miles / 5633 kilometers, and travel time by car is about 78 hours 18 minutes.

Roanoke–Blacksburg Regional Airport – Petersburg James A. Johnson Airport

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2748
Miles
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4422
Kilometers
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2388
Nautical miles

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Distance from Roanoke to Petersburg

There are several ways to calculate the distance from Roanoke to Petersburg. Here are two standard methods:

Vincenty's formula (applied above)
  • 2747.663 miles
  • 4421.935 kilometers
  • 2387.654 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
  • 2741.810 miles
  • 4412.515 kilometers
  • 2382.568 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 Roanoke to Petersburg?

The estimated flight time from Roanoke–Blacksburg Regional Airport to Petersburg James A. Johnson Airport is 5 hours and 42 minutes.

Flight carbon footprint between Roanoke–Blacksburg Regional Airport (ROA) and Petersburg James A. Johnson Airport (PSG)

On average, flying from Roanoke to Petersburg generates about 304 kg of CO2 per passenger, and 304 kilograms equals 671 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Roanoke to Petersburg

See the map of the shortest flight path between Roanoke–Blacksburg Regional Airport (ROA) and Petersburg James A. Johnson Airport (PSG).

Airport information

Origin 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
Destination Petersburg James A. Johnson Airport
City: Petersburg, AK
Country: United States Flag of United States
IATA Code: PSG
ICAO Code: PAPG
Coordinates: 56°48′6″N, 132°56′42″W