Map of flight path and driving directions from San Antonio to Roanoke.
Shortest flight path between San Antonio International Airport (SAT) and Roanoke–Blacksburg Regional Airport (ROA).
How far is Roanoke from San Antonio?
There are several ways to calculate distances between San Antonio and Roanoke. Here are two common 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 earth.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).
Time difference and current local times
The time difference between San Antonio and Roanoke is 1 hour. Roanoke is 1 hour ahead of San Antonio.
San Antonio, TX
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 161 kg (355 pounds).
Frequent Flyer Miles Calculator
San Antonio (SAT) → Roanoke (ROA).