How far is Roanoke, VA, from Houston, TX?
The distance between Houston (Houston George Bush Intercontinental Airport) and Roanoke (Roanoke–Blacksburg Regional Airport) is 1018 miles / 1638 kilometers / 885 nautical miles.
The driving distance from Houston (IAH) to Roanoke (ROA) is 1156 miles / 1861 kilometers, and travel time by car is about 21 hours 36 minutes.
Houston George Bush Intercontinental Airport – Roanoke–Blacksburg Regional Airport
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Distance from Houston to Roanoke
There are several ways to calculate the distance from Houston to Roanoke. 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 Houston to Roanoke?
The estimated flight time from Houston George Bush Intercontinental Airport to Roanoke–Blacksburg Regional Airport is 2 hours and 25 minutes.
What is the time difference between Houston and Roanoke?
The time difference between Houston and Roanoke is 1 hour. Roanoke is 1 hour ahead of Houston.
Flight carbon footprint between Houston George Bush Intercontinental Airport (IAH) and Roanoke–Blacksburg Regional Airport (ROA)
On average, flying from Houston to Roanoke 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 Houston to Roanoke
See the map of the shortest flight path between Houston George Bush Intercontinental Airport (IAH) and Roanoke–Blacksburg Regional Airport (ROA).
Airport information
| Origin | 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 |
| Destination | 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 |