How far is Watertown, SD, from Billings, MT?

The distance between Billings (Billings Logan International Airport) and Watertown (Watertown Regional Airport) is 557 miles / 897 kilometers / 484 nautical miles.

The driving distance from Billings (BIL) to Watertown (ATY) is 751 miles / 1208 kilometers, and travel time by car is about 12 hours 59 minutes.

Distance from Billings to Watertown

There are several ways to calculate the distance from Billings to Watertown. Here are two standard methods:

Vincenty's formula (applied above)

• 557.377 miles
• 897.011 kilometers
• 484.347 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

• 555.832 miles
• 894.526 kilometers
• 483.005 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 Billings to Watertown?

The estimated flight time from Billings Logan International Airport to Watertown Regional Airport is 1 hour and 33 minutes.

What is the time difference between Billings and Watertown?

The time difference between Billings and Watertown is 1 hour. Watertown is 1 hour ahead of Billings.

Flight carbon footprint between Billings Logan International Airport (BIL) and Watertown Regional Airport (ATY)

On average, flying from Billings to Watertown generates about 107 kg of CO2 per passenger, and 107 kilograms equals 236 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Billings to Watertown

See the map of the shortest flight path between Billings Logan International Airport (BIL) and Watertown Regional Airport (ATY).

Airport information

Origin	Billings Logan International Airport
City:	Billings, MT
Country:	United States
IATA Code:	BIL
ICAO Code:	KBIL
Coordinates:	45°48′27″N, 108°32′34″W

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