Need help booking?
Unpublished phone-only deals available
CAT to OKI: distance & flight time
Cascais (Cascais Airport) → Oki Island (Oki Airport)
6,740 mi
10,848 km · 5,857 nm
13h 41m
estimated nonstop flight time
+8h
time difference · heading northeast
See live CAT→OKI fares Phone-only fares on this route — call free
Flight time details
6,740 miles nonstop takes roughly 13h 41m 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
- CAT — Cascais Airport · Cascais, Portugal
- OKI — Oki Airport · Oki Island, Japan
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 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
Near OKI
- YGJ · Miho Yonago Airport48 mi away
- IZO · Izumo Airport58 mi away
- TTJ · Tottori Airport65 mi away
- TJH · Tajima Airport94 mi away
Frequently asked questions
How far is CAT from OKI?
The flight distance from Cascais (CAT) to Oki Island (OKI) is 6,740 miles (10,848 km, 5,857 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CAT to OKI?
A nonstop flight takes about 13h 41m 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 Cascais and Oki Island?
Oki Island is 8 hours ahead of Cascais.
What is the cheapest way to fly from CAT to OKI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CAT–OKI that never appear on search engines, with no booking fees.