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How far is San Diego, CA, from Roanoke, VA?

The distance between Roanoke (Roanoke–Blacksburg Regional Airport) and San Diego (San Diego International Airport) is 2120 miles / 3412 kilometers / 1842 nautical miles.

The driving distance from Roanoke (ROA) to San Diego (SAN) is 2461 miles / 3960 kilometers, and travel time by car is about 43 hours 8 minutes.

Roanoke–Blacksburg Regional Airport – San Diego International Airport

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2120
Miles
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3412
Kilometers
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1842
Nautical miles

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Distance from Roanoke to San Diego

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

Vincenty's formula (applied above)
  • 2119.994 miles
  • 3411.799 kilometers
  • 1842.224 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
  • 2115.504 miles
  • 3404.574 kilometers
  • 1838.323 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 San Diego?

The estimated flight time from Roanoke–Blacksburg Regional Airport to San Diego International Airport is 4 hours and 30 minutes.

Flight carbon footprint between Roanoke–Blacksburg Regional Airport (ROA) and San Diego International Airport (SAN)

On average, flying from Roanoke to San Diego generates about 231 kg of CO2 per passenger, and 231 kilograms equals 510 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 San Diego

See the map of the shortest flight path between Roanoke–Blacksburg Regional Airport (ROA) and San Diego International Airport (SAN).

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 San Diego International Airport
City: San Diego, CA
Country: United States Flag of United States
IATA Code: SAN
ICAO Code: KSAN
Coordinates: 32°44′0″N, 117°11′24″W