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ACH to OKO: distance & flight time
Altenrhein (St Gallen Altenrhein Airport) → Yokota (Yokota Air Base)
5,903 mi
9,500 km · 5,129 nm
12h 2m
estimated nonstop flight time
+7h
time difference · heading northeast
See live ACH→OKO fares Phone-only fares on this route — call free
Flight time details
5,903 miles nonstop takes roughly 12h 2m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- ACH — St Gallen Altenrhein Airport · Altenrhein, Switzerland
- 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 ACH
- HOH · Hohenems-Dornbirn Airport9 mi away
- FDH · Friedrichshafen Airport13 mi away
- ZRH · Zürich Airport47 mi away
- FMM · Memmingen Allgau Airport47 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 ACH from OKO?
The flight distance from Altenrhein (ACH) to Yokota (OKO) is 5,903 miles (9,500 km, 5,129 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ACH to OKO?
A nonstop flight takes about 12h 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 time difference between Altenrhein and Yokota?
Yokota is 7 hours ahead of Altenrhein.
What is the cheapest way to fly from ACH to OKO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ACH–OKO that never appear on search engines, with no booking fees.