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Distance between Houston, TX (HOU) and Roanoke, VA (ROA)

Flight distance from Houston to Roanoke (Houston William P. Hobby Airport – Roanoke–Blacksburg Regional Airport) is 1028 miles / 1655 kilometers / 893 nautical miles. Estimated flight time is 2 hours 26 minutes.

Driving distance from Houston (HOU) to Roanoke (ROA) is 1182 miles / 1903 kilometers and travel time by car is about 21 hours 51 minutes.

Houston – Roanoke

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1028
Miles
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1655
Kilometers
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893
Nautical miles

How far is Roanoke from Houston?

There are several ways to calculate distances between Los Angeles and Chicago. Here are two common methods:

Vincenty's formula (applied above)
  • 1028.137 miles
  • 1654.626 kilometers
  • 893.427 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
  • 1027.217 miles
  • 1653.146 kilometers
  • 892.627 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).

Flight Duration

Estimated flight time from Houston William P. Hobby Airport to Roanoke–Blacksburg Regional Airport is 2 hours 26 minutes.

Time difference

The time difference between Houston and Roanoke is 1 hour. Roanoke is 1 hour ahead of Houston.
Houston time to Roanoke time converter

Carbon dioxide emissions

On average flying from Houston to Roanoke generates about 153 kg of CO2 per passenger, 153 kilograms is equal to 336 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

Shortest flight path between Houston William P. Hobby Airport (HOU) and Roanoke–Blacksburg Regional Airport (ROA).

Airport information

Origin Houston William P. Hobby Airport
City: Houston, TX
Country: United States Flag of United States
IATA Code: HOU
ICAO Code: KHOU
Coordinates: 29°38′43″N, 95°16′44″W
Destination 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