Air Miles Calculator

Distance between Richmond, VA (RIC) and Unalaska, AK (DUT)

Flight distance from Richmond to Unalaska (Richmond International Airport – Unalaska Airport) is 4164 miles / 6702 kilometers / 3619 nautical miles. Estimated flight time is 8 hours 23 minutes.

Map of flight path from Richmond to Unalaska.

Shortest flight path between Richmond International Airport (RIC) and Unalaska Airport (DUT).

How far is Unalaska from Richmond?

There are several ways to calculate distances between Richmond and Unalaska. Here are two common methods:

Vincenty's formula (applied above)
  • 4164.156 miles
  • 6701.560 kilometers
  • 3618.553 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
  • 4153.556 miles
  • 6684.500 kilometers
  • 3609.341 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 Richmond International Airport
City: Richmond, VA
Country: United States Flag of United States
IATA Code: RIC
ICAO Code: KRIC
Coordinates: 37°30′18″N, 77°19′10″W

B Unalaska Airport
City: Unalaska, AK
Country: United States Flag of United States
IATA Code: DUT
ICAO Code: PADU
Coordinates: 53°54′0″N, 166°32′38″W

Time difference and current local times

The time difference between Richmond and Unalaska is 5 hours. Unalaska is 5 hours behind Richmond.

Time Difference

Richmond, VA

 EST

Unalaska, AK

 HST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 477 kg (1 051 pounds).

Frequent Flyer Miles Calculator

Richmond (RIC) → Unalaska (DUT).

Distance:
4164
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
4164

Round trip?