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RNT to CAT: distance & flight time
Renton (Renton Municipal Airport) → Cascais (Cascais Airport)
5,192 mi
8,356 km · 4,512 nm
10h 39m
estimated nonstop flight time
+8h
time difference · heading northeast
See live RNT→CAT fares Phone-only fares on this route — call free
Flight time details
5,192 miles nonstop takes roughly 10h 39m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- RNT — Renton Municipal Airport · Renton, 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 RNT
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 RNT from CAT?
The flight distance from Renton (RNT) to Cascais (CAT) is 5,192 miles (8,356 km, 4,512 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RNT to CAT?
A nonstop flight takes about 10h 39m 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 Renton and Cascais?
Cascais is 8 hours ahead of Renton.
What is the cheapest way to fly from RNT to CAT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RNT–CAT that never appear on search engines, with no booking fees.