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IAD to ZIN: distance & flight time
Washington (Washington Dulles International Airport) → Interlaken (Interlaken Air Base)
4,143 mi
6,667 km · 3,600 nm
8h 35m
estimated nonstop flight time
+6h
time difference · heading northeast
See live IAD→ZIN fares Phone-only fares on this route — call free
Flight time details
4,143 miles nonstop takes roughly 8h 35m 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
- IAD — Washington Dulles International Airport · Washington, United States
- ZIN — Interlaken Air Base · Interlaken, 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 IAD
Near ZIN
- BRN · Bern Belp Airport24 mi away
- BXO · Buochs Airport32 mi away
- EML · Emmen Air Base35 mi away
- SIR · Sion Airport41 mi away
Frequently asked questions
How far is IAD from ZIN?
The flight distance from Washington (IAD) to Interlaken (ZIN) is 4,143 miles (6,667 km, 3,600 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to ZIN?
A nonstop flight takes about 8h 35m 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 Interlaken?
Interlaken is 6 hours ahead of Washington.
What is the cheapest way to fly from IAD to ZIN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–ZIN that never appear on search engines, with no booking fees.