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How far is Fort Smith, AR, from Harrison, AR?

The distance between Harrison (Boone County Airport) and Fort Smith (Fort Smith Regional Airport) is 93 miles / 150 kilometers / 81 nautical miles.

The driving distance from Harrison (HRO) to Fort Smith (FSM) is 130 miles / 209 kilometers, and travel time by car is about 2 hours 42 minutes.

Boone County Airport – Fort Smith Regional Airport

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93
Miles
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150
Kilometers
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81
Nautical miles

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Distance from Harrison to Fort Smith

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

Vincenty's formula (applied above)
  • 93.302 miles
  • 150.156 kilometers
  • 81.078 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
  • 93.284 miles
  • 150.127 kilometers
  • 81.062 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 Harrison to Fort Smith?

The estimated flight time from Boone County Airport to Fort Smith Regional Airport is 40 minutes.

What is the time difference between Harrison and Fort Smith?

There is no time difference between Harrison and Fort Smith.

Flight carbon footprint between Boone County Airport (HRO) and Fort Smith Regional Airport (FSM)

On average, flying from Harrison to Fort Smith generates about 39 kg of CO2 per passenger, and 39 kilograms equals 85 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Boone County Airport (HRO) and Fort Smith Regional Airport (FSM).

Airport information

Origin Boone County Airport
City: Harrison, AR
Country: United States Flag of United States
IATA Code: HRO
ICAO Code: KHRO
Coordinates: 36°15′41″N, 93°9′16″W
Destination 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