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KUN to SDU: distance & flight time
Kaunas (Kaunas International Airport) → Rio De Janeiro (Santos Dumont Airport)
6,672 mi
10,737 km · 5,797 nm
13h 33m
estimated nonstop flight time
-6h
time difference · heading southwest
See live KUN→SDU fares Phone-only fares on this route — call free
Flight time details
6,672 miles nonstop takes roughly 13h 33m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- KUN — Kaunas International Airport · Kaunas, Lithuania
- 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 KUN
- VNO · Vilnius International Airport53 mi away
- PNV · Panevėžys Air Base55 mi away
- SQQ · Šiauliai International Airport70 mi away
- HLJ · Barysiai Airport79 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 KUN from SDU?
The flight distance from Kaunas (KUN) to Rio De Janeiro (SDU) is 6,672 miles (10,737 km, 5,797 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KUN to SDU?
A nonstop flight takes about 13h 33m 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 KUN to SDU?
Nonstop service on KUN–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 13h 33m nonstop estimate.
What is the time difference between Kaunas and Rio De Janeiro?
Rio De Janeiro is 6 hours behind Kaunas.
What is the cheapest way to fly from KUN to SDU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KUN–SDU that never appear on search engines, with no booking fees.
Why are some KUN to SDU fares phone-only?
Consolidator contracts let us sell certain KUN–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.