Need help booking?
Unpublished phone-only deals available
FSI to MRI: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Anchorage (Merrill Field)
2,890 mi
4,650 km · 2,511 nm
6h 8m
estimated nonstop flight time
-3h
time difference · heading northwest
See live FSI→MRI fares Phone-only fares on this route — call free
Flight time details
2,890 miles nonstop takes roughly 6h 8m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, 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 FSI
- LAW · Lawton Fort Sill Regional Airport6 mi away
- DUC · Halliburton Field28 mi away
- HBR · Hobart Regional Airport44 mi away
- SPS · Sheppard Air Force Base-Wichita Falls Municipal Airport46 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 FSI from MRI?
The flight distance from Fort Sill (FSI) to Anchorage (MRI) is 2,890 miles (4,650 km, 2,511 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to MRI?
A nonstop flight takes about 6h 8m 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 Fort Sill and Anchorage?
Anchorage is 3 hours behind Fort Sill.
What is the cheapest way to fly from FSI to MRI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–MRI that never appear on search engines, with no booking fees.