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How far is San Antonio, TX, from Roanoke, VA?

The distance between Roanoke (Roanoke–Blacksburg Regional Airport) and San Antonio (San Antonio International Airport) is 1193 miles / 1920 kilometers / 1037 nautical miles.

The driving distance from Roanoke (ROA) to San Antonio (SAT) is 1368 miles / 2201 kilometers, and travel time by car is about 24 hours 32 minutes.

Roanoke–Blacksburg Regional Airport – San Antonio International Airport

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1193
Miles
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1920
Kilometers
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1037
Nautical miles

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Distance from Roanoke to San Antonio

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

Vincenty's formula (applied above)
  • 1193.073 miles
  • 1920.064 kilometers
  • 1036.752 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
  • 1191.662 miles
  • 1917.794 kilometers
  • 1035.526 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 Antonio?

The estimated flight time from Roanoke–Blacksburg Regional Airport to San Antonio International Airport is 2 hours and 45 minutes.

Flight carbon footprint between Roanoke–Blacksburg Regional Airport (ROA) and San Antonio International Airport (SAT)

On average, flying from Roanoke to San Antonio generates about 161 kg of CO2 per passenger, and 161 kilograms equals 355 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 Antonio

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

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 Antonio International Airport
City: San Antonio, TX
Country: United States Flag of United States
IATA Code: SAT
ICAO Code: KSAT
Coordinates: 29°32′1″N, 98°28′11″W