# Distance between Lafayette, LA (LFT) and Watertown, SD (ATY)

Flight distance from Lafayette to Watertown (Lafayette Regional Airport – Watertown Regional Airport) is 1053 miles / 1694 kilometers / 915 nautical miles. Estimated flight time is 2 hours 29 minutes.

Driving distance from Lafayette (LFT) to Watertown (ATY) is 1235 miles / 1987 kilometers and travel time by car is about 21 hours 13 minutes.

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

Shortest flight path between Lafayette Regional Airport (LFT) and Watertown Regional Airport (ATY).

## How far is Watertown from Lafayette?

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

Vincenty's formula (applied above)
• 1052.723 miles
• 1694.193 kilometers
• 914.791 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
• 1054.355 miles
• 1696.819 kilometers
• 916.209 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 Lafayette Regional Airport
City: Lafayette, LA
Country: United States
IATA Code: LFT
ICAO Code: KLFT
Coordinates: 30°12′19″N, 91°59′15″W

B Watertown Regional Airport
City: Watertown, SD
Country: United States
IATA Code: ATY
ICAO Code: KATY
Coordinates: 44°54′50″N, 97°9′16″W

## Time difference and current local times

There is no time difference between Lafayette and Watertown.

CST

CST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 154 kg (340 pounds).

## Frequent Flyer Miles Calculator

Lafayette (LFT) → Watertown (ATY).

Distance:
1053
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
1053

Round trip?