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RAP to SIR: distance & flight time
Rapid City (Rapid City Regional Airport) → Sion (Sion Airport)
4,892 mi
7,874 km · 4,251 nm
10h 4m
estimated nonstop flight time
+8h
time difference · heading northeast
See live RAP→SIR fares Phone-only fares on this route — call free
Flight time details
4,892 miles nonstop takes roughly 10h 4m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- RAP — Rapid City Regional Airport · Rapid City, United States
- SIR — Sion Airport · Sion, 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 RAP
- RCA · Ellsworth Air Force Base7 mi away
- SPF · Black Hills Airport-Clyde Ice Field47 mi away
- CDR · Chadron Municipal Airport83 mi away
- GCC · Gillette Campbell County Airport125 mi away
Near SIR
- AOT · Aosta Airport33 mi away
- QLS · Lausanne-Blécherette Airport41 mi away
- ZIN · Interlaken Air Base41 mi away
- MVV · Megève Airport43 mi away
Frequently asked questions
How far is RAP from SIR?
The flight distance from Rapid City (RAP) to Sion (SIR) is 4,892 miles (7,874 km, 4,251 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RAP to SIR?
A nonstop flight takes about 10h 4m 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 Rapid City and Sion?
Sion is 8 hours ahead of Rapid City.
What is the cheapest way to fly from RAP to SIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RAP–SIR that never appear on search engines, with no booking fees.