Need help booking?
Unpublished phone-only deals available
MNZ to SIR: distance & flight time
Manassas (Manassas Regional Airport/Harry P. Davis Field) → Sion (Sion Airport)
4,145 mi
6,671 km · 3,602 nm
8h 36m
estimated nonstop flight time
+6h
time difference · heading northeast
See live MNZ→SIR fares Phone-only fares on this route — call free
Flight time details
4,145 miles nonstop takes roughly 8h 36m 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
- MNZ — Manassas Regional Airport/Harry P. Davis Field · Manassas, 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 MNZ
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 MNZ from SIR?
The flight distance from Manassas (MNZ) to Sion (SIR) is 4,145 miles (6,671 km, 3,602 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MNZ to SIR?
A nonstop flight takes about 8h 36m 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 Manassas and Sion?
Sion is 6 hours ahead of Manassas.
What is the cheapest way to fly from MNZ to SIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MNZ–SIR that never appear on search engines, with no booking fees.