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FSI to CXO: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Conroe (Conroe-North Houston Regional Airport)
344 mi
554 km · 299 nm
1h 22m
estimated nonstop flight time
Same time
time difference · heading southeast
See live FSI→CXO fares Phone-only fares on this route — call free
Flight time details
344 miles nonstop takes roughly 1h 22m gate to gate, flying southeast. 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
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, United States
- CXO — Conroe-North Houston Regional Airport · Conroe, 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 CXO
- IAH · George Bush Intercontinental Houston Airport26 mi away
- DWH · David Wayne Hooks Memorial Airport22 mi away
- HTV · Huntsville Regional Airport29 mi away
- IWS · West Houston Airport40 mi away
Frequently asked questions
How far is FSI from CXO?
The flight distance from Fort Sill (FSI) to Conroe (CXO) is 344 miles (554 km, 299 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to CXO?
A nonstop flight takes about 1h 22m 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 FSI to CXO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–CXO that never appear on search engines, with no booking fees.