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RDU to CAT: distance & flight time
Raleigh-durham (Raleigh Durham International Airport) → Cascais (Cascais Airport)
3,727 mi
5,997 km · 3,238 nm
7h 46m
estimated nonstop flight time
+5h
time difference · heading northeast
See live RDU→CAT fares Phone-only fares on this route — call free
Flight time details
3,727 miles nonstop takes roughly 7h 46m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- RDU — Raleigh Durham International Airport · Raleigh-durham, 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 RDU
- POB · Pope Field50 mi away
- RWI · Rocky Mount Wilson Regional Airport50 mi away
- FBG · Simmons Army Air Field52 mi away
- SOP · Moore County Airport56 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 RDU from CAT?
The flight distance from Raleigh-durham (RDU) to Cascais (CAT) is 3,727 miles (5,997 km, 3,238 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RDU to CAT?
A nonstop flight takes about 7h 46m 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 Raleigh-durham and Cascais?
Cascais is 5 hours ahead of Raleigh-durham.
What is the cheapest way to fly from RDU to CAT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RDU–CAT that never appear on search engines, with no booking fees.