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RDR to CAT: distance & flight time
Red River (Grand Forks Air Force Base) → Cascais (Cascais Airport)
4,225 mi
6,800 km · 3,672 nm
8h 45m
estimated nonstop flight time
+6h
time difference · heading northeast
See live RDR→CAT fares Phone-only fares on this route — call free
Flight time details
4,225 miles nonstop takes roughly 8h 45m 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
- CAT — Cascais Airport · Cascais, 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 CAT
- LIS · Humberto Delgado Airport (Lisbon Portela Airport)12 mi away
- AVR · Alverca Air Base21 mi away
- QLR · Monte Real Air Base80 mi away
- BYJ · Beja Airport / Airbase89 mi away
Frequently asked questions
How far is RDR from CAT?
The flight distance from Red River (RDR) to Cascais (CAT) is 4,225 miles (6,800 km, 3,672 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RDR to CAT?
A nonstop flight takes about 8h 45m 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 Cascais?
Cascais is 6 hours ahead of Red River.
What is the cheapest way to fly from RDR to CAT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RDR–CAT that never appear on search engines, with no booking fees.