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DBQ to SDU: distance & flight time
Dubuque IA (Dubuque Regional Airport) → Rio De Janeiro (Santos Dumont Airport)
5,435 mi
8,747 km · 4,723 nm
11h 7m
estimated nonstop flight time
+3h
time difference · heading southeast
See live DBQ→SDU fares Phone-only fares on this route — call free
Flight time details
5,435 miles nonstop takes roughly 11h 7m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- DBQ — Dubuque Regional Airport · Dubuque IA, United States
- SDU — Santos Dumont Airport · Rio De Janeiro, Brazil
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 DBQ
- CWI · Clinton Municipal Airport44 mi away
- PCD · Prairie Du Chien Municipal Airport48 mi away
- LNR · Tri-County Regional Airport62 mi away
- CID · The Eastern Iowa Airport63 mi away
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
Frequently asked questions
How far is DBQ from SDU?
The flight distance from Dubuque IA (DBQ) to Rio De Janeiro (SDU) is 5,435 miles (8,747 km, 4,723 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DBQ to SDU?
A nonstop flight takes about 11h 7m 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 DBQ to SDU?
Nonstop service on DBQ–SDU 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 7m nonstop estimate.
What is the time difference between Dubuque IA and Rio De Janeiro?
Rio De Janeiro is 3 hours ahead of Dubuque IA.
What is the cheapest way to fly from DBQ to SDU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DBQ–SDU that never appear on search engines, with no booking fees.
Why are some DBQ to SDU fares phone-only?
Consolidator contracts let us sell certain DBQ–SDU 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.