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RFD to YNY: distance & flight time
Rockford (Chicago Rockford International Airport) → Sokcho / Gangneung (Yangyang International Airport)
6,405 mi
10,307 km · 5,566 nm
13h 1m
estimated nonstop flight time
+14h
time difference · heading northwest
See live RFD→YNY fares Phone-only fares on this route — call free
Flight time details
6,405 miles nonstop takes roughly 13h 1m 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
- YNY — Yangyang International Airport · Sokcho / Gangneung, 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 YNY
- KAG · Gangneung Airport (K-18)26 mi away
- WJU · Wonju/Hoengseong Air Base (K-38/K-46)58 mi away
- ICN · Incheon International Airport128 mi away
- SSN · Seoul Air Base (K-16)95 mi away
Frequently asked questions
How far is RFD from YNY?
The flight distance from Rockford (RFD) to Sokcho / Gangneung (YNY) is 6,405 miles (10,307 km, 5,566 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RFD to YNY?
A nonstop flight takes about 13h 1m 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 Sokcho / Gangneung?
Sokcho / Gangneung is 14 hours ahead of Rockford.
What is the cheapest way to fly from RFD to YNY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RFD–YNY that never appear on search engines, with no booking fees.