Need help booking?
Unpublished phone-only deals available
ROA to SIR: distance & flight time
Roanoke VA (Roanoke–Blacksburg Regional Airport) → Sion (Sion Airport)
4,310 mi
6,936 km · 3,745 nm
8h 55m
estimated nonstop flight time
+6h
time difference · heading northeast
See live ROA→SIR fares Phone-only fares on this route — call free
Flight time details
4,310 miles nonstop takes roughly 8h 55m 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
- ROA — Roanoke–Blacksburg Regional Airport · Roanoke VA, 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 ROA
- LYH · Lynchburg Regional Preston Glenn Field43 mi away
- LWB · Greenbrier Valley Airport44 mi away
- DAN · Danville Regional Airport63 mi away
- BLF · Mercer County Airport68 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 ROA from SIR?
The flight distance from Roanoke VA (ROA) to Sion (SIR) is 4,310 miles (6,936 km, 3,745 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ROA to SIR?
A nonstop flight takes about 8h 55m 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 Roanoke VA and Sion?
Sion is 6 hours ahead of Roanoke VA.
What is the cheapest way to fly from ROA to SIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ROA–SIR that never appear on search engines, with no booking fees.