How far is Fort Smith, AR, from Castries?

The distance between Castries (George F. L. Charles Airport) and Fort Smith (Fort Smith Regional Airport) is 2540 miles / 4088 kilometers / 2207 nautical miles.

Distance from Castries to Fort Smith

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

Vincenty's formula (applied above)

• 2540.093 miles
• 4087.884 kilometers
• 2207.281 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

• 2540.408 miles
• 4088.391 kilometers
• 2207.554 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 Castries to Fort Smith?

The estimated flight time from George F. L. Charles Airport to Fort Smith Regional Airport is 5 hours and 18 minutes.

What is the time difference between Castries and Fort Smith?

The time difference between Castries and Fort Smith is 2 hours. Fort Smith is 2 hours behind Castries.

Flight carbon footprint between George F. L. Charles Airport (SLU) and Fort Smith Regional Airport (FSM)

On average, flying from Castries to Fort Smith generates about 280 kg of CO2 per passenger, and 280 kilograms equals 617 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Castries to Fort Smith

See the map of the shortest flight path between George F. L. Charles Airport (SLU) and Fort Smith Regional Airport (FSM).

Airport information

Origin	George F. L. Charles Airport
City:	Castries
Country:	Saint Lucia
IATA Code:	SLU
ICAO Code:	TLPC
Coordinates:	14°1′12″N, 60°59′34″W

Destination	Fort Smith Regional Airport
City:	Fort Smith, AR
Country:	United States
IATA Code:	FSM
ICAO Code:	KFSM
Coordinates:	35°20′11″N, 94°22′2″W