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KOP to ACH: distance & flight time
Nakhon Phanom (Nakhon Phanom Airport) → Altenrhein (St Gallen Altenrhein Airport)
5,570 mi
8,964 km · 4,840 nm
11h 23m
estimated nonstop flight time
-5h
time difference · heading northwest
See live KOP→ACH fares Phone-only fares on this route — call free
Flight time details
5,570 miles nonstop takes roughly 11h 23m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time set-back when reading arrival times on your ticket.
The two airports
- KOP — Nakhon Phanom Airport · Nakhon Phanom, Thailand
- ACH — St Gallen Altenrhein Airport · Altenrhein, Switzerland
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 KOP
- SNO · Sakon Nakhon Airport37 mi away
- ZVK · Savannakhet Airport58 mi away
- ROI · Roi Et Airport105 mi away
- VII · Vinh Airport115 mi away
Near ACH
- HOH · Hohenems-Dornbirn Airport9 mi away
- FDH · Friedrichshafen Airport13 mi away
- ZRH · Zürich Airport47 mi away
- FMM · Memmingen Allgau Airport47 mi away
Frequently asked questions
How far is KOP from ACH?
The flight distance from Nakhon Phanom (KOP) to Altenrhein (ACH) is 5,570 miles (8,964 km, 4,840 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOP to ACH?
A nonstop flight takes about 11h 23m 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 Nakhon Phanom and Altenrhein?
Altenrhein is 5 hours behind Nakhon Phanom.
What is the cheapest way to fly from KOP to ACH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOP–ACH that never appear on search engines, with no booking fees.