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OSH to PRM: distance & flight time
Oshkosh (Wittman Regional Airport) → Portimao (Portimão Airport)
4,057 mi
6,529 km · 3,526 nm
8h 25m
estimated nonstop flight time
+6h
time difference · heading northeast
See live OSH→PRM fares Phone-only fares on this route — call free
Flight time details
4,057 miles nonstop takes roughly 8h 25m 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
- OSH — Wittman Regional Airport · Oshkosh, 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 OSH
- FLD · Fond du Lac County Airport15 mi away
- ATW · Appleton International Airport19 mi away
- SBM · Sheboygan County Memorial Airport38 mi away
- GRB · Austin Straubel International Airport41 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 OSH from PRM?
The flight distance from Oshkosh (OSH) to Portimao (PRM) is 4,057 miles (6,529 km, 3,526 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSH to PRM?
A nonstop flight takes about 8h 25m 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 Oshkosh and Portimao?
Portimao is 6 hours ahead of Oshkosh.
What is the cheapest way to fly from OSH to PRM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSH–PRM that never appear on search engines, with no booking fees.