Need help booking?
Unpublished phone-only deals available
RFD to KAG: distance & flight time
Rockford (Chicago Rockford International Airport) → Kangnung (Gangneung Airport (K-18))
6,417 mi
10,327 km · 5,576 nm
13h 3m
estimated nonstop flight time
+14h
time difference · heading northwest
See live RFD→KAG fares Phone-only fares on this route — call free
Flight time details
6,417 miles nonstop takes roughly 13h 3m 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
- KAG — Gangneung Airport (K-18) · Kangnung, 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 KAG
- YNY · Yangyang International Airport26 mi away
- WJU · Wonju/Hoengseong Air Base (K-38/K-46)58 mi away
- YEC · Yecheon Airbase84 mi away
- ICN · Incheon International Airport138 mi away
Frequently asked questions
How far is RFD from KAG?
The flight distance from Rockford (RFD) to Kangnung (KAG) is 6,417 miles (10,327 km, 5,576 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RFD to KAG?
A nonstop flight takes about 13h 3m 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 Kangnung?
Kangnung is 14 hours ahead of Rockford.
What is the cheapest way to fly from RFD to KAG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RFD–KAG that never appear on search engines, with no booking fees.