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.
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Multiple airports
Lafayette - Watertown
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.
Time Difference
Lafayette, LA
Watertown, SD
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 154 kg (340 pounds).
Frequent Flyer Miles Calculator
Lafayette (LFT) → Watertown (ATY).
In total
Round trip?