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SWU to MFI: distance & flight time
Suwon (Suwon Airport) → Marshfield (Marshfield Municipal Airport)
6,322 mi
10,174 km · 5,493 nm
12h 52m
estimated nonstop flight time
-14h
time difference · heading northeast
See live SWU→MFI fares Phone-only fares on this route — call free
Flight time details
6,322 miles nonstop takes roughly 12h 52m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- SWU — Suwon Airport · Suwon, South Korea
- 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 SWU
- ICN · Incheon International Airport34 mi away
- OSN · Osan Air Base10 mi away
- SSN · Seoul Air Base (K-16)15 mi away
- GMP · Gimpo International Airport25 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 SWU from MFI?
The flight distance from Suwon (SWU) to Marshfield (MFI) is 6,322 miles (10,174 km, 5,493 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SWU to MFI?
A nonstop flight takes about 12h 52m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from SWU to MFI?
Nonstop service on SWU–MFI depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 12h 52m nonstop estimate.
What is the time difference between Suwon and Marshfield?
Marshfield is 14 hours behind Suwon.
What is the cheapest way to fly from SWU to MFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SWU–MFI that never appear on search engines, with no booking fees.
Why are some SWU to MFI fares phone-only?
Consolidator contracts let us sell certain SWU–MFI tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.