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How far is Houston, TX, from Fort Smith, AR?

The distance between Fort Smith (Fort Smith Regional Airport) and Houston (Houston George Bush Intercontinental Airport) is 373 miles / 601 kilometers / 324 nautical miles.

The driving distance from Fort Smith (FSM) to Houston (IAH) is 457 miles / 736 kilometers, and travel time by car is about 8 hours 56 minutes.

Fort Smith Regional Airport – Houston George Bush Intercontinental Airport

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373
Miles
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601
Kilometers
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324
Nautical miles

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Distance from Fort Smith to Houston

There are several ways to calculate the distance from Fort Smith to Houston. Here are two standard methods:

Vincenty's formula (applied above)
  • 373.154 miles
  • 600.533 kilometers
  • 324.262 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
  • 374.110 miles
  • 602.071 kilometers
  • 325.093 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 Fort Smith to Houston?

The estimated flight time from Fort Smith Regional Airport to Houston George Bush Intercontinental Airport is 1 hour and 12 minutes.

What is the time difference between Fort Smith and Houston?

There is no time difference between Fort Smith and Houston.

Flight carbon footprint between Fort Smith Regional Airport (FSM) and Houston George Bush Intercontinental Airport (IAH)

On average, flying from Fort Smith to Houston generates about 80 kg of CO2 per passenger, and 80 kilograms equals 176 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Fort Smith to Houston

See the map of the shortest flight path between Fort Smith Regional Airport (FSM) and Houston George Bush Intercontinental Airport (IAH).

Airport information

Origin Fort Smith Regional Airport
City: Fort Smith, AR
Country: United States Flag of United States
IATA Code: FSM
ICAO Code: KFSM
Coordinates: 35°20′11″N, 94°22′2″W
Destination Houston George Bush Intercontinental Airport
City: Houston, TX
Country: United States Flag of United States
IATA Code: IAH
ICAO Code: KIAH
Coordinates: 29°59′3″N, 95°20′29″W