# Distance between Watertown, NY (ART) and Fort Smith, AR (FSM)

Flight distance from Watertown to Fort Smith (Watertown International Airport – Fort Smith Regional Airport) is 1142 miles / 1838 kilometers / 992 nautical miles. Estimated flight time is 2 hours 39 minutes.

Driving distance from Watertown (ART) to Fort Smith (FSM) is 1368 miles / 2202 kilometers and travel time by car is about 24 hours 10 minutes.

## Map of flight path and driving directions from Watertown to Fort Smith.

Shortest flight path between Watertown International Airport (ART) and Fort Smith Regional Airport (FSM).

## How far is Fort Smith from Watertown?

There are several ways to calculate distances between Watertown and Fort Smith. Here are two common methods:

Vincenty's formula (applied above)
• 1142.146 miles
• 1838.106 kilometers
• 992.498 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
• 1140.560 miles
• 1835.554 kilometers
• 991.120 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).

## Airport information

A Watertown International Airport
City: Watertown, NY
Country: United States
IATA Code: ART
ICAO Code: KART
Coordinates: 43°59′30″N, 76°1′18″W

B 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

## Time difference and current local times

The time difference between Watertown and Fort Smith is 1 hour. Fort Smith is 1 hour behind Watertown.

EDT

CDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 159 kg (350 pounds).

## Frequent Flyer Miles Calculator

Watertown (ART) → Fort Smith (FSM).

Distance:
1142
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
1142

Round trip?