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RFD to RSU: distance & flight time
Rockford (Chicago Rockford International Airport) → Yeosu (Yeosu Airport)
6,630 mi
10,669 km · 5,761 nm
13h 28m
estimated nonstop flight time
+14h
time difference · heading northwest
See live RFD→RSU fares Phone-only fares on this route — call free
Flight time details
6,630 miles nonstop takes roughly 13h 28m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- RFD — Chicago Rockford International Airport · Rockford, United States
- RSU — Yeosu Airport · Yeosu, South Korea
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 RFD
Near RSU
- HIN · Sacheon Air Base/Airport31 mi away
- KWJ · Gwangju Airport50 mi away
- CHF · Jinhae Airbase/Airport (G-813/K-10)64 mi away
- MPK · Mokpo Heliport70 mi away
Frequently asked questions
How far is RFD from RSU?
The flight distance from Rockford (RFD) to Yeosu (RSU) is 6,630 miles (10,669 km, 5,761 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RFD to RSU?
A nonstop flight takes about 13h 28m 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 time difference between Rockford and Yeosu?
Yeosu is 14 hours ahead of Rockford.
What is the cheapest way to fly from RFD to RSU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RFD–RSU that never appear on search engines, with no booking fees.