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KSM to MRI: distance & flight time
St Mary's (St Mary's Airport) → Anchorage (Merrill Field)
445 mi
716 km · 386 nm
1h 26m
estimated nonstop flight time
Same time
time difference · heading east
See live KSM→MRI fares Phone-only fares on this route — call free
Flight time details
445 miles nonstop takes roughly 1h 26m gate to gate, flying east. 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
- KSM — St Mary's Airport · St Mary's, United States
- MRI — Merrill Field · Anchorage, 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 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
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
Frequently asked questions
How far is KSM from MRI?
The flight distance from St Mary's (KSM) to Anchorage (MRI) is 445 miles (716 km, 386 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KSM to MRI?
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 KSM to MRI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KSM–MRI that never appear on search engines, with no booking fees.