Need help booking?
Unpublished phone-only deals available
HMY to OKO: distance & flight time
Seosan (Seosan Air Base) → Yokota (Yokota Air Base)
719 mi
1,158 km · 625 nm
2h 2m
estimated nonstop flight time
—
time difference · heading east
See live HMY→OKO fares Phone-only fares on this route — call free
Flight time details
719 miles nonstop takes roughly 2h 2m 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
- HMY — Seosan Air Base · Seosan, 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 HMY
- ICN · Incheon International Airport53 mi away
- OSN · Osan Air Base40 mi away
- SWU · Suwon Airport47 mi away
- KUV · Kunsan Air Base56 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 HMY from OKO?
The flight distance from Seosan (HMY) to Yokota (OKO) is 719 miles (1,158 km, 625 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HMY to OKO?
A nonstop flight takes about 2h 2m 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 HMY to OKO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HMY–OKO that never appear on search engines, with no booking fees.