Air Miles Calculator logo

How far is Rapid City, SD, from Portland, ME?

The distance between Portland (Portland International Jetport) and Rapid City (Rapid City Regional Airport) is 1626 miles / 2616 kilometers / 1413 nautical miles.

The driving distance from Portland (PWM) to Rapid City (RAP) is 1897 miles / 3053 kilometers, and travel time by car is about 35 hours 53 minutes.

Portland International Jetport – Rapid City Regional Airport

Distance arrow
1626
Miles
Distance arrow
2616
Kilometers
Distance arrow
1413
Nautical miles

Search flights

Distance from Portland to Rapid City

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

Vincenty's formula (applied above)
  • 1625.667 miles
  • 2616.257 kilometers
  • 1412.666 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
  • 1621.242 miles
  • 2609.136 kilometers
  • 1408.821 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 Rapid City?

The estimated flight time from Portland International Jetport to Rapid City Regional Airport is 3 hours and 34 minutes.

Flight carbon footprint between Portland International Jetport (PWM) and Rapid City Regional Airport (RAP)

On average, flying from Portland to Rapid City generates about 188 kg of CO2 per passenger, and 188 kilograms equals 414 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 Rapid City

See the map of the shortest flight path between Portland International Jetport (PWM) and Rapid City Regional Airport (RAP).

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 Rapid City Regional Airport
City: Rapid City, SD
Country: United States Flag of United States
IATA Code: RAP
ICAO Code: KRAP
Coordinates: 44°2′43″N, 103°3′25″W