Need help booking?
Unpublished phone-only deals available
MRI to SPF: distance & flight time
Anchorage (Merrill Field) → Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field)
2,178 mi
3,505 km · 1,892 nm
4h 44m
estimated nonstop flight time
+2h
time difference · heading east
See live MRI→SPF fares Phone-only fares on this route — call free
Flight time details
2,178 miles nonstop takes roughly 4h 44m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- MRI — Merrill Field · Anchorage, United States
- SPF — Black Hills Airport-Clyde Ice Field · Spearfish-South Dakota, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near MRI
- EDF · Elmendorf Air Force Base3 mi away
- ANC · Ted Stevens Anchorage International Airport6 mi away
- FRN · Bryant Army Heliport7 mi away
- WWA · Wasilla Airport27 mi away
Near SPF
- RCA · Ellsworth Air Force Base41 mi away
- RAP · Rapid City Regional Airport47 mi away
- GCC · Gillette Campbell County Airport87 mi away
- CDR · Chadron Municipal Airport119 mi away
Frequently asked questions
How far is MRI from SPF?
The flight distance from Anchorage (MRI) to Spearfish-South Dakota (SPF) is 2,178 miles (3,505 km, 1,892 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MRI to SPF?
A nonstop flight takes about 4h 44m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Anchorage and Spearfish-South Dakota?
Spearfish-South Dakota is 2 hours ahead of Anchorage.
What is the cheapest way to fly from MRI to SPF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MRI–SPF that never appear on search engines, with no booking fees.