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INT to ACH: distance & flight time
Winston-salem (Smith Reynolds Airport) → Altenrhein (St Gallen Altenrhein Airport)
4,429 mi
7,128 km · 3,849 nm
9h 9m
estimated nonstop flight time
+6h
time difference · heading northeast
See live INT→ACH fares Phone-only fares on this route — call free
Flight time details
4,429 miles nonstop takes roughly 9h 9m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- INT — Smith Reynolds Airport · Winston-salem, 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 INT
- GSO · Piedmont Triad International Airport16 mi away
- CLT · Charlotte Douglas International Airport75 mi away
- SVH · Statesville Regional Airport48 mi away
- IKB · Wilkes County Airport49 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 INT from ACH?
The flight distance from Winston-salem (INT) to Altenrhein (ACH) is 4,429 miles (7,128 km, 3,849 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from INT to ACH?
A nonstop flight takes about 9h 9m 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 Winston-salem and Altenrhein?
Altenrhein is 6 hours ahead of Winston-salem.
What is the cheapest way to fly from INT to ACH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on INT–ACH that never appear on search engines, with no booking fees.