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How far is Grenoble from Roanoke, VA?

The distance between Roanoke (Roanoke–Blacksburg Regional Airport) and Grenoble (Alpes–Isère Airport) is 4260 miles / 6855 kilometers / 3702 nautical miles.

Roanoke–Blacksburg Regional Airport – Alpes–Isère Airport

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4260
Miles
Distance arrow
6855
Kilometers
Distance arrow
3702
Nautical miles

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Distance from Roanoke to Grenoble

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

Vincenty's formula (applied above)
  • 4259.705 miles
  • 6855.330 kilometers
  • 3701.582 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
  • 4249.104 miles
  • 6838.270 kilometers
  • 3692.370 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 Grenoble?

The estimated flight time from Roanoke–Blacksburg Regional Airport to Alpes–Isère Airport is 8 hours and 33 minutes.

Flight carbon footprint between Roanoke–Blacksburg Regional Airport (ROA) and Alpes–Isère Airport (GNB)

On average, flying from Roanoke to Grenoble generates about 489 kg of CO2 per passenger, and 489 kilograms equals 1 078 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Roanoke to Grenoble

See the map of the shortest flight path between Roanoke–Blacksburg Regional Airport (ROA) and Alpes–Isère Airport (GNB).

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 Alpes–Isère Airport
City: Grenoble
Country: France Flag of France
IATA Code: GNB
ICAO Code: LFLS
Coordinates: 45°21′46″N, 5°19′45″E