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FSI to RDU: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Raleigh-durham (Raleigh Durham International Airport)
1,108 mi
1,783 km · 963 nm
2h 53m
estimated nonstop flight time
+1h
time difference · heading east
See live FSI→RDU fares Phone-only fares on this route — call free
Flight time details
1,108 miles nonstop takes roughly 2h 53m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, United States
- RDU — Raleigh Durham International Airport · Raleigh-durham, 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 RDU
- POB · Pope Field50 mi away
- RWI · Rocky Mount Wilson Regional Airport50 mi away
- FBG · Simmons Army Air Field52 mi away
- SOP · Moore County Airport56 mi away
Frequently asked questions
How far is FSI from RDU?
The flight distance from Fort Sill (FSI) to Raleigh-durham (RDU) is 1,108 miles (1,783 km, 963 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to RDU?
A nonstop flight takes about 2h 53m 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 Raleigh-durham?
Raleigh-durham is 1 hour ahead of Fort Sill.
What is the cheapest way to fly from FSI to RDU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–RDU that never appear on search engines, with no booking fees.