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ACH to SYO: distance & flight time
Altenrhein (St Gallen Altenrhein Airport) → Shonai (Shonai Airport)
5,735 mi
9,229 km · 4,983 nm
11h 43m
estimated nonstop flight time
+7h
time difference · heading northeast
See live ACH→SYO fares Phone-only fares on this route — call free
Flight time details
5,735 miles nonstop takes roughly 11h 43m 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
- SYO — Shonai Airport · Shonai, 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 SYO
- GAJ · Yamagata Airport42 mi away
- AXT · Akita Airport60 mi away
- KIJ · Niigata Airport69 mi away
- SDJ · Sendai Airport77 mi away
Frequently asked questions
How far is ACH from SYO?
The flight distance from Altenrhein (ACH) to Shonai (SYO) is 5,735 miles (9,229 km, 4,983 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ACH to SYO?
A nonstop flight takes about 11h 43m 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 Shonai?
Shonai is 7 hours ahead of Altenrhein.
What is the cheapest way to fly from ACH to SYO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ACH–SYO that never appear on search engines, with no booking fees.