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SDU to MFI: distance & flight time
Rio De Janeiro (Santos Dumont Airport) → Marshfield (Marshfield Municipal Airport)
5,529 mi
8,898 km · 4,805 nm
11h 18m
estimated nonstop flight time
-3h
time difference · heading northwest
See live SDU→MFI fares Phone-only fares on this route — call free
Flight time details
5,529 miles nonstop takes roughly 11h 18m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- SDU — Santos Dumont Airport · Rio De Janeiro, Brazil
- 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 SDU
- GIG · Rio Galeão – Tom Jobim International Airport9 mi away
- QNV · Aeroclube Airport22 mi away
- SNZ · Santa Cruz Air Force Base35 mi away
- CFB · Cabo Frio Airport69 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 SDU from MFI?
The flight distance from Rio De Janeiro (SDU) to Marshfield (MFI) is 5,529 miles (8,898 km, 4,805 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SDU to MFI?
A nonstop flight takes about 11h 18m 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 SDU to MFI?
Nonstop service on SDU–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 11h 18m nonstop estimate.
What is the time difference between Rio De Janeiro and Marshfield?
Marshfield is 3 hours behind Rio De Janeiro.
What is the cheapest way to fly from SDU to MFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDU–MFI that never appear on search engines, with no booking fees.
Why are some SDU to MFI fares phone-only?
Consolidator contracts let us sell certain SDU–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.