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RDR to PRM: distance & flight time
Red River (Grand Forks Air Force Base) → Portimao (Portimão Airport)
4,328 mi
6,966 km · 3,761 nm
8h 57m
estimated nonstop flight time
+6h
time difference · heading northeast
See live RDR→PRM fares Phone-only fares on this route — call free
Flight time details
4,328 miles nonstop takes roughly 8h 57m 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
- RDR — Grand Forks Air Force Base · Red River, 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 RDR
- GFK · Grand Forks International Airport10 mi away
- TVF · Thief River Falls Regional Airport57 mi away
- PMB · Pembina Municipal Airport68 mi away
- DVL · Devils Lake Regional Airport70 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 RDR from PRM?
The flight distance from Red River (RDR) to Portimao (PRM) is 4,328 miles (6,966 km, 3,761 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RDR to PRM?
A nonstop flight takes about 8h 57m 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 Red River and Portimao?
Portimao is 6 hours ahead of Red River.
What is the cheapest way to fly from RDR to PRM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RDR–PRM that never appear on search engines, with no booking fees.