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GRR to SIR: distance & flight time
Grand Rapids (Gerald R. Ford International Airport) → Sion (Sion Airport)
4,299 mi
6,918 km · 3,736 nm
8h 54m
estimated nonstop flight time
+6h
time difference · heading northeast
See live GRR→SIR fares Phone-only fares on this route — call free
Flight time details
4,299 miles nonstop takes roughly 8h 54m 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
- GRR — Gerald R. Ford International Airport · Grand Rapids, 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 GRR
- MKG · Muskegon County Airport41 mi away
- BTL · W K Kellogg Airport42 mi away
- AZO · Kalamazoo Battle Creek International Airport45 mi away
- LAN · Capital City Airport48 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 GRR from SIR?
The flight distance from Grand Rapids (GRR) to Sion (SIR) is 4,299 miles (6,918 km, 3,736 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRR to SIR?
A nonstop flight takes about 8h 54m 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 Grand Rapids and Sion?
Sion is 6 hours ahead of Grand Rapids.
What is the cheapest way to fly from GRR to SIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRR–SIR that never appear on search engines, with no booking fees.