Need help booking?
Unpublished phone-only deals available
FSM to PRM: distance & flight time
Fort Smith (Fort Smith Regional Airport) → Portimao (Portimão Airport)
4,602 mi
7,406 km · 3,999 nm
9h 29m
estimated nonstop flight time
+6h
time difference · heading northeast
See live FSM→PRM fares Phone-only fares on this route — call free
Flight time details
4,602 miles nonstop takes roughly 9h 29m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- FSM — Fort Smith Regional Airport · Fort Smith, United States
- PRM — Portimão Airport · Portimao, Portugal
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 FSM
- FYV · Drake Field47 mi away
- XNA · Northwest Arkansas Regional Airport65 mi away
- MLC · Mc Alester Regional Airport86 mi away
- OKM · Okmulgee Regional Airport92 mi away
Near PRM
- FAO · Faro Airport35 mi away
- BYJ · Beja Airport / Airbase73 mi away
- CAT · Cascais Airport117 mi away
- LIS · Humberto Delgado Airport (Lisbon Portela Airport)117 mi away
Frequently asked questions
How far is FSM from PRM?
The flight distance from Fort Smith (FSM) to Portimao (PRM) is 4,602 miles (7,406 km, 3,999 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSM to PRM?
A nonstop flight takes about 9h 29m 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 Smith and Portimao?
Portimao is 6 hours ahead of Fort Smith.
What is the cheapest way to fly from FSM to PRM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSM–PRM that never appear on search engines, with no booking fees.