Air Miles Calculator logo

How far is Fort Smith, AR, from Kirksville, MO?

The distance between Kirksville (Kirksville Regional Airport) and Fort Smith (Fort Smith Regional Airport) is 343 miles / 552 kilometers / 298 nautical miles.

The driving distance from Kirksville (IRK) to Fort Smith (FSM) is 455 miles / 733 kilometers, and travel time by car is about 8 hours 32 minutes.

Kirksville Regional Airport – Fort Smith Regional Airport

Distance arrow
343
Miles
Distance arrow
552
Kilometers
Distance arrow
298
Nautical miles

Search flights

Distance from Kirksville to Fort Smith

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

Vincenty's formula (applied above)
  • 342.902 miles
  • 551.848 kilometers
  • 297.974 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
  • 343.410 miles
  • 552.665 kilometers
  • 298.415 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 Kirksville to Fort Smith?

The estimated flight time from Kirksville Regional Airport to Fort Smith Regional Airport is 1 hour and 8 minutes.

What is the time difference between Kirksville and Fort Smith?

There is no time difference between Kirksville and Fort Smith.

Flight carbon footprint between Kirksville Regional Airport (IRK) and Fort Smith Regional Airport (FSM)

On average, flying from Kirksville to Fort Smith generates about 75 kg of CO2 per passenger, and 75 kilograms equals 166 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Kirksville Regional Airport (IRK) and Fort Smith Regional Airport (FSM).

Airport information

Origin Kirksville Regional Airport
City: Kirksville, MO
Country: United States Flag of United States
IATA Code: IRK
ICAO Code: KIRK
Coordinates: 40°5′36″N, 92°32′41″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