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MRI to KSM: distance & flight time
Anchorage (Merrill Field) → St Mary's (St Mary's Airport)
445 mi
716 km · 386 nm
1h 26m
estimated nonstop flight time
Same time
time difference · heading west
See live MRI→KSM fares Phone-only fares on this route — call free
Flight time details
445 miles nonstop takes roughly 1h 26m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- MRI — Merrill Field · Anchorage, United States
- KSM — St Mary's Airport · St Mary's, 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 KSM
- MOU · Mountain Village Airport13 mi away
- MLL · Marshall Don Hunter Sr Airport44 mi away
- AUK · Alakanuk Airport61 mi away
- EMK · Emmonak Airport63 mi away
Frequently asked questions
How far is MRI from KSM?
The flight distance from Anchorage (MRI) to St Mary's (KSM) is 445 miles (716 km, 386 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MRI to KSM?
A nonstop flight takes about 1h 26m 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 cheapest way to fly from MRI to KSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MRI–KSM that never appear on search engines, with no booking fees.