How far is Houston, TX, from Roanoke, VA?
The distance between Roanoke (Roanoke–Blacksburg Regional Airport) and Houston (Houston George Bush Intercontinental Airport) is 1018 miles / 1638 kilometers / 885 nautical miles.
The driving distance from Roanoke (ROA) to Houston (IAH) is 1159 miles / 1866 kilometers, and travel time by car is about 21 hours 38 minutes.
Roanoke–Blacksburg Regional Airport – Houston George Bush Intercontinental Airport
Search flights
Distance from Roanoke to Houston
There are several ways to calculate the distance from Roanoke to Houston. Here are two standard methods:
Vincenty's formula (applied above)- 1018.032 miles
- 1638.363 kilometers
- 884.645 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- 1017.021 miles
- 1636.737 kilometers
- 883.767 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 Houston?
The estimated flight time from Roanoke–Blacksburg Regional Airport to Houston George Bush Intercontinental Airport is 2 hours and 25 minutes.
What is the time difference between Roanoke and Houston?
The time difference between Roanoke and Houston is 1 hour. Houston is 1 hour behind Roanoke.
Flight carbon footprint between Roanoke–Blacksburg Regional Airport (ROA) and Houston George Bush Intercontinental Airport (IAH)
On average, flying from Roanoke to Houston generates about 152 kg of CO2 per passenger, and 152 kilograms equals 335 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 Houston
See the map of the shortest flight path between Roanoke–Blacksburg Regional Airport (ROA) and Houston George Bush Intercontinental Airport (IAH).
Airport information
| Origin | Roanoke–Blacksburg Regional Airport |
|---|---|
| City: | Roanoke, VA |
| Country: | United States  |
| IATA Code: | ROA |
| ICAO Code: | KROA |
| Coordinates: | 37°19′31″N, 79°58′31″W |
| Destination | Houston George Bush Intercontinental Airport |
|---|---|
| City: | Houston, TX |
| Country: | United States |
| IATA Code: | IAH |
| ICAO Code: | KIAH |
| Coordinates: | 29°59′3″N, 95°20′29″W |