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FSI to POA: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Porto Alegre (Salgado Filho Airport)
5,423 mi
8,728 km · 4,712 nm
11h 6m
estimated nonstop flight time
+2h
time difference · heading southeast
See live FSI→POA fares Phone-only fares on this route — call free
Flight time details
5,423 miles nonstop takes roughly 11h 6m 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
- POA — Salgado Filho Airport · Porto Alegre, Brazil
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 POA
- CXJ · Hugo Cantergiani Regional Airport55 mi away
- CCM · Diomício Freitas Airport137 mi away
- PET · João Simões Lopes Neto International Airport137 mi away
- PFB · Lauro Kurtz Airport140 mi away
Frequently asked questions
How far is FSI from POA?
The flight distance from Fort Sill (FSI) to Porto Alegre (POA) is 5,423 miles (8,728 km, 4,712 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to POA?
A nonstop flight takes about 11h 6m 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 Porto Alegre?
Porto Alegre is 2 hours ahead of Fort Sill.
What is the cheapest way to fly from FSI to POA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–POA that never appear on search engines, with no booking fees.