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SSN to OKO: distance & flight time
Seoul East (Seoul Air Base (K-16)) → Yokota (Yokota Air Base)
688 mi
1,108 km · 598 nm
1h 58m
estimated nonstop flight time
Same time
time difference · heading east
See live SSN→OKO fares Phone-only fares on this route — call free
Flight time details
688 miles nonstop takes roughly 1h 58m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- SSN — Seoul Air Base (K-16) · Seoul East, South Korea
- OKO — Yokota Air Base · Yokota, 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 SSN
- ICN · Incheon International Airport36 mi away
- SWU · Suwon Airport15 mi away
- GMP · Gimpo International Airport19 mi away
- OSN · Osan Air Base25 mi away
Near OKO
- HND · Tokyo Haneda International Airport28 mi away
- NRT · Narita International Airport58 mi away
- NJA · Atsugi Naval Air Facility21 mi away
- IBR · Hyakuri Airport67 mi away
Frequently asked questions
How far is SSN from OKO?
The flight distance from Seoul East (SSN) to Yokota (OKO) is 688 miles (1,108 km, 598 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SSN to OKO?
A nonstop flight takes about 1h 58m 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 cheapest way to fly from SSN to OKO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SSN–OKO that never appear on search engines, with no booking fees.