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CAT to OIM: distance & flight time
Cascais (Cascais Airport) → Oshima (Oshima Airport)
6,978 mi
11,230 km · 6,064 nm
14h 9m
estimated nonstop flight time
+8h
time difference · heading northeast
See live CAT→OIM fares Phone-only fares on this route — call free
Flight time details
6,978 miles nonstop takes roughly 14h 9m 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
- OIM — Oshima Airport · Oshima, 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 OIM
- HND · Tokyo Haneda International Airport58 mi away
- NJA · Atsugi Naval Air Facility47 mi away
- NRT · Narita International Airport89 mi away
- MYE · Miyakejima Airport50 mi away
Frequently asked questions
How far is CAT from OIM?
The flight distance from Cascais (CAT) to Oshima (OIM) is 6,978 miles (11,230 km, 6,064 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CAT to OIM?
A nonstop flight takes about 14h 9m 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 Oshima?
Oshima is 8 hours ahead of Cascais.
What is the cheapest way to fly from CAT to OIM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CAT–OIM that never appear on search engines, with no booking fees.