Need help booking?
Unpublished phone-only deals available
RDG to GMP: distance & flight time
Reading (Reading Regional Carl A Spaatz Field) → Seoul (Gimpo International Airport)
6,862 mi
11,044 km · 5,963 nm
13h 55m
estimated nonstop flight time
+13h
time difference · heading north
See live RDG→GMP fares Phone-only fares on this route — call free
Flight time details
6,862 miles nonstop takes roughly 13h 55m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- RDG — Reading Regional Carl A Spaatz Field · Reading, United States
- GMP — Gimpo International Airport · Seoul, 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 RDG
- PHL · Philadelphia International Airport52 mi away
- LNS · Lancaster Airport25 mi away
- CTH · Chester County G O Carlson Airport28 mi away
- UKT · Quakertown Airport31 mi away
Near GMP
- ICN · Incheon International Airport20 mi away
- SSN · Seoul Air Base (K-16)19 mi away
- SWU · Suwon Airport25 mi away
- OSN · Osan Air Base35 mi away
Frequently asked questions
How far is RDG from GMP?
The flight distance from Reading (RDG) to Seoul (GMP) is 6,862 miles (11,044 km, 5,963 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RDG to GMP?
A nonstop flight takes about 13h 55m 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 Reading and Seoul?
Seoul is 13 hours ahead of Reading.
What is the cheapest way to fly from RDG to GMP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RDG–GMP that never appear on search engines, with no booking fees.