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ZIN to DCA: distance & flight time
Interlaken (Interlaken Air Base) → Washington (Ronald Reagan Washington National Airport)
4,129 mi
6,644 km · 3,588 nm
8h 34m
estimated nonstop flight time
-6h
time difference · heading northwest
See live ZIN→DCA fares Phone-only fares on this route — call free
Flight time details
4,129 miles nonstop takes roughly 8h 34m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- ZIN — Interlaken Air Base · Interlaken, Switzerland
- DCA — Ronald Reagan Washington National Airport · Washington, United States
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 ZIN
- BRN · Bern Belp Airport24 mi away
- BXO · Buochs Airport32 mi away
- EML · Emmen Air Base35 mi away
- SIR · Sion Airport41 mi away
Near DCA
Frequently asked questions
How far is ZIN from DCA?
The flight distance from Interlaken (ZIN) to Washington (DCA) is 4,129 miles (6,644 km, 3,588 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ZIN to DCA?
A nonstop flight takes about 8h 34m 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 Interlaken and Washington?
Washington is 6 hours behind Interlaken.
What is the cheapest way to fly from ZIN to DCA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ZIN–DCA that never appear on search engines, with no booking fees.