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OLM to CAT: distance & flight time
Olympia (Olympia Regional Airport) → Cascais (Cascais Airport)
5,240 mi
8,433 km · 4,554 nm
10h 44m
estimated nonstop flight time
+8h
time difference · heading northeast
See live OLM→CAT fares Phone-only fares on this route — call free
Flight time details
5,240 miles nonstop takes roughly 10h 44m 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
- OLM — Olympia Regional Airport · Olympia, 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 OLM
- SEA · Seattle Tacoma International Airport43 mi away
- GRF · Gray Army Air Field17 mi away
- CLS · Chehalis Centralia Airport21 mi away
- SHN · Sanderson Field22 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 OLM from CAT?
The flight distance from Olympia (OLM) to Cascais (CAT) is 5,240 miles (8,433 km, 4,554 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OLM to CAT?
A nonstop flight takes about 10h 44m 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 Olympia and Cascais?
Cascais is 8 hours ahead of Olympia.
What is the cheapest way to fly from OLM to CAT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OLM–CAT that never appear on search engines, with no booking fees.