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How far is Watertown, SD, from Portland, ME?

The distance between Portland (Portland International Jetport) and Watertown (Watertown Regional Airport) is 1328 miles / 2138 kilometers / 1154 nautical miles.

The driving distance from Portland (PWM) to Watertown (ATY) is 1658 miles / 2669 kilometers, and travel time by car is about 32 hours 2 minutes.

Portland International Jetport – Watertown Regional Airport

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1328
Miles
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2138
Kilometers
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1154
Nautical miles

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Distance from Portland to Watertown

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

Vincenty's formula (applied above)
  • 1328.391 miles
  • 2137.839 kilometers
  • 1154.341 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
  • 1324.760 miles
  • 2131.995 kilometers
  • 1151.185 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 Portland to Watertown?

The estimated flight time from Portland International Jetport to Watertown Regional Airport is 3 hours and 0 minutes.

Flight carbon footprint between Portland International Jetport (PWM) and Watertown Regional Airport (ATY)

On average, flying from Portland to Watertown generates about 169 kg of CO2 per passenger, and 169 kilograms equals 372 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Portland to Watertown

See the map of the shortest flight path between Portland International Jetport (PWM) and Watertown Regional Airport (ATY).

Airport information

Origin Portland International Jetport
City: Portland, ME
Country: United States Flag of United States
IATA Code: PWM
ICAO Code: KPWM
Coordinates: 43°38′46″N, 70°18′33″W
Destination Watertown Regional Airport
City: Watertown, SD
Country: United States Flag of United States
IATA Code: ATY
ICAO Code: KATY
Coordinates: 44°54′50″N, 97°9′16″W