Need help booking?
Unpublished phone-only deals available
GRK to ACH: distance & flight time
Killeen (Robert Gray Army Air Field Airport) → Altenrhein (St Gallen Altenrhein Airport)
5,391 mi
8,677 km · 4,685 nm
11h 2m
estimated nonstop flight time
+7h
time difference · heading northeast
See live GRK→ACH fares Phone-only fares on this route — call free
Flight time details
5,391 miles nonstop takes roughly 11h 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
- GRK — Robert Gray Army Air Field Airport · Killeen, United States
- 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 GRK
- HLR · Hood Army Air Field8 mi away
- AUS · Austin Bergstrom International Airport61 mi away
- TPL · Draughon Miller Central Texas Regional Airport26 mi away
- ACT · Waco Regional Airport52 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 GRK from ACH?
The flight distance from Killeen (GRK) to Altenrhein (ACH) is 5,391 miles (8,677 km, 4,685 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRK to ACH?
A nonstop flight takes about 11h 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 Killeen and Altenrhein?
Altenrhein is 7 hours ahead of Killeen.
What is the cheapest way to fly from GRK to ACH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRK–ACH that never appear on search engines, with no booking fees.