Air Miles Calculator

Distance between San Antonio, TX (SAT) and Roanoke, VA (ROA)

Flight distance from San Antonio to Roanoke (San Antonio International Airport – Roanoke–Blacksburg Regional Airport) is 1193 miles / 1920 kilometers / 1037 nautical miles. Estimated flight time is 2 hours 45 minutes.

Driving distance from San Antonio (SAT) to Roanoke (ROA) is 1365 miles / 2196 kilometers and travel time by car is about 23 hours 16 minutes.

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).

Airport information


A 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

B 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

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.

Time Difference

San Antonio, TX

 CST

Roanoke, VA

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 161 kg (355 pounds).

Frequent Flyer Miles Calculator

San Antonio (SAT) → Roanoke (ROA).

Distance:
1193
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1193

Round trip?