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FRI to FSI: distance & flight time
Fort Riley (Marshall Army Air Field) → Fort Sill (Henry Post Army Air Field (Fort Sill))
318 mi
511 km · 276 nm
1h 18m
estimated nonstop flight time
Same time
time difference · heading south
See live FRI→FSI fares Phone-only fares on this route — call free
Flight time details
318 miles nonstop takes roughly 1h 18m gate to gate, flying south. 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
- FRI — Marshall Army Air Field · Fort Riley, United States
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, 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 FRI
- MHK · Manhattan Regional Airport8 mi away
- SLN · Salina Municipal Airport51 mi away
- EMP · Emporia Municipal Airport59 mi away
- FOE · Topeka Regional Airport - Forbes Field60 mi away
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
Frequently asked questions
How far is FRI from FSI?
The flight distance from Fort Riley (FRI) to Fort Sill (FSI) is 318 miles (511 km, 276 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FRI to FSI?
A nonstop flight takes about 1h 18m 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 FRI to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FRI–FSI that never appear on search engines, with no booking fees.