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FSI to TDR: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Theodore (Theodore Airport)
8,353 mi
13,444 km · 7,259 nm
16h 51m
estimated nonstop flight time
+15h
time difference · heading west
See live FSI→TDR fares Phone-only fares on this route — call free
Flight time details
8,353 miles nonstop takes roughly 16h 51m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-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
- TDR — Theodore Airport · Theodore, Australia
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 TDR
- THG · Thangool Airport46 mi away
- XTO · Taroom Airport57 mi away
- GLT · Gladstone Airport105 mi away
- GAH · Gayndah Airport105 mi away
Frequently asked questions
How far is FSI from TDR?
The flight distance from Fort Sill (FSI) to Theodore (TDR) is 8,353 miles (13,444 km, 7,259 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to TDR?
A nonstop flight takes about 16h 51m 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 Theodore?
Theodore is 15 hours ahead of Fort Sill.
What is the cheapest way to fly from FSI to TDR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–TDR that never appear on search engines, with no booking fees.