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FRI to PRM: distance & flight time
Fort Riley (Marshall Army Air Field) → Portimao (Portimão Airport)
4,589 mi
7,385 km · 3,987 nm
9h 28m
estimated nonstop flight time
+6h
time difference · heading northeast
See live FRI→PRM fares Phone-only fares on this route — call free
Flight time details
4,589 miles nonstop takes roughly 9h 28m 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
- FRI — Marshall Army Air Field · Fort Riley, 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 FRI
- MHK · Manhattan Regional Airport8 mi away
- SLN · Salina Municipal Airport51 mi away
- EMP · Emporia Municipal Airport59 mi away
- FOE · Topeka Regional Airport - Forbes Field60 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 FRI from PRM?
The flight distance from Fort Riley (FRI) to Portimao (PRM) is 4,589 miles (7,385 km, 3,987 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FRI to PRM?
A nonstop flight takes about 9h 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 Riley and Portimao?
Portimao is 6 hours ahead of Fort Riley.
What is the cheapest way to fly from FRI to PRM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FRI–PRM that never appear on search engines, with no booking fees.