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FSI to CPR: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Casper (Casper-Natrona County International Airport)
716 mi
1,153 km · 622 nm
2h 1m
estimated nonstop flight time
-1h
time difference · heading northwest
See live FSI→CPR fares Phone-only fares on this route — call free
Flight time details
716 miles nonstop takes roughly 2h 1m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-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
- CPR — Casper-Natrona County International Airport · Casper, 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 CPR
- RWL · Rawlins Municipal Airport/Harvey Field85 mi away
- RIW · Riverton Regional Airport101 mi away
- SAA · Shively Field103 mi away
- WRL · Worland Municipal Airport104 mi away
Frequently asked questions
How far is FSI from CPR?
The flight distance from Fort Sill (FSI) to Casper (CPR) is 716 miles (1,153 km, 622 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to CPR?
A nonstop flight takes about 2h 1m 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 Casper?
Casper is 1 hour behind Fort Sill.
What is the cheapest way to fly from FSI to CPR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–CPR that never appear on search engines, with no booking fees.