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ACH to SDU: distance & flight time
Altenrhein (St Gallen Altenrhein Airport) → Rio De Janeiro (Santos Dumont Airport)
5,861 mi
9,433 km · 5,093 nm
11h 58m
estimated nonstop flight time
-5h
time difference · heading southwest
See live ACH→SDU fares Phone-only fares on this route — call free
Flight time details
5,861 miles nonstop takes roughly 11h 58m gate to gate, flying southwest. 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
- ACH — St Gallen Altenrhein Airport · Altenrhein, Switzerland
- SDU — Santos Dumont Airport · Rio De Janeiro, Brazil
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 SDU
- GIG · Rio Galeão – Tom Jobim International Airport9 mi away
- QNV · Aeroclube Airport22 mi away
- SNZ · Santa Cruz Air Force Base35 mi away
- CFB · Cabo Frio Airport69 mi away
Frequently asked questions
How far is ACH from SDU?
The flight distance from Altenrhein (ACH) to Rio De Janeiro (SDU) is 5,861 miles (9,433 km, 5,093 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ACH to SDU?
A nonstop flight takes about 11h 58m 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 Rio De Janeiro?
Rio De Janeiro is 5 hours behind Altenrhein.
What is the cheapest way to fly from ACH to SDU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ACH–SDU that never appear on search engines, with no booking fees.