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ZBY to MFI: distance & flight time
Sainyabuli (Sayaboury Airport) → Marshfield (Marshfield Municipal Airport)
7,960 mi
12,810 km · 6,917 nm
16h 4m
estimated nonstop flight time
—
time difference · heading north
See live ZBY→MFI fares Phone-only fares on this route — call free
Flight time details
7,960 miles nonstop takes roughly 16h 4m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- ZBY — Sayaboury Airport · Sainyabuli, Laos
- MFI — Marshfield Municipal Airport · Marshfield, United States
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 ZBY
- LPQ · Luang Phabang International Airport54 mi away
- NNT · Nan Airport68 mi away
- XKH · Xieng Khouang Airport96 mi away
- ODY · Oudomsay Airport101 mi away
Near MFI
- ISW · Alexander Field South Wood County Airport26 mi away
- CWA · Central Wisconsin Airport27 mi away
- STE · Stevens Point Municipal Airport33 mi away
- AUW · Wausau Downtown Airport34 mi away
Frequently asked questions
How far is ZBY from MFI?
The flight distance from Sainyabuli (ZBY) to Marshfield (MFI) is 7,960 miles (12,810 km, 6,917 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ZBY to MFI?
A nonstop flight takes about 16h 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 cheapest way to fly from ZBY to MFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ZBY–MFI that never appear on search engines, with no booking fees.