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FSI to ASU: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Asuncion (Silvio Pettirossi International Airport)
4,928 mi
7,931 km · 4,283 nm
10h 8m
estimated nonstop flight time
+2h
time difference · heading southeast
See live FSI→ASU fares Phone-only fares on this route — call free
Flight time details
4,928 miles nonstop takes roughly 10h 8m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-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
- ASU — Silvio Pettirossi International Airport · Asuncion, Paraguay
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 ASU
- FMA · Formosa Airport80 mi away
- CIO · Teniente Col Carmelo Peralta Airport124 mi away
- PIL · Carlos Miguel Gimenez Airport124 mi away
Frequently asked questions
How far is FSI from ASU?
The flight distance from Fort Sill (FSI) to Asuncion (ASU) is 4,928 miles (7,931 km, 4,283 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to ASU?
A nonstop flight takes about 10h 8m 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 Asuncion?
Asuncion is 2 hours ahead of Fort Sill.
What is the cheapest way to fly from FSI to ASU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–ASU that never appear on search engines, with no booking fees.