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FSI to LEU: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Seo De Urgel (Pirineus - la Seu d'Urgel Airport)
5,098 mi
8,204 km · 4,430 nm
10h 28m
estimated nonstop flight time
+7h
time difference · heading northeast
See live FSI→LEU fares Phone-only fares on this route — call free
Flight time details
5,098 miles nonstop takes roughly 10h 28m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-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
- LEU — Pirineus - la Seu d'Urgel Airport · Seo De Urgel, Spain
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 LEU
- BCN · Barcelona International Airport80 mi away
- ILD · Lleida-Alguaire Airport62 mi away
- QSA · Sabadell Airport67 mi away
- GRO · Girona Airport76 mi away
Frequently asked questions
How far is FSI from LEU?
The flight distance from Fort Sill (FSI) to Seo De Urgel (LEU) is 5,098 miles (8,204 km, 4,430 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to LEU?
A nonstop flight takes about 10h 28m 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 Seo De Urgel?
Seo De Urgel is 7 hours ahead of Fort Sill.
What is the cheapest way to fly from FSI to LEU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–LEU that never appear on search engines, with no booking fees.