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DCA to ACH: distance & flight time
Washington (Ronald Reagan Washington National Airport) → Altenrhein (St Gallen Altenrhein Airport)
4,175 mi
6,719 km · 3,628 nm
8h 39m
estimated nonstop flight time
+6h
time difference · heading northeast
See live DCA→ACH fares Phone-only fares on this route — call free
Flight time details
4,175 miles nonstop takes roughly 8h 39m 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
- DCA — Ronald Reagan Washington National Airport · Washington, 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 DCA
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 DCA from ACH?
The flight distance from Washington (DCA) to Altenrhein (ACH) is 4,175 miles (6,719 km, 3,628 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DCA to ACH?
A nonstop flight takes about 8h 39m 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 Washington and Altenrhein?
Altenrhein is 6 hours ahead of Washington.
What is the cheapest way to fly from DCA to ACH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DCA–ACH that never appear on search engines, with no booking fees.