ICN to OKA: Distance and Flight Time
The distance from Incheon International Airport (ICN) to Naha International Airport (OKA) is 1,259 km (782 mi). A typical nonstop flight covers it in about 2h 5m, heading south. The distance is the same in either direction (OKA to ICN).
How far is it from Seoul to Naha?
The great-circle distance between Incheon International Airport (ICN) and Naha International Airport (OKA) is 1,259 km (782 mi, 680 nautical miles). That is the straight-line distance; a real flight is a little longer because of air-traffic routing.
How long is the flight from ICN to OKA?
A nonstop flight typically takes about 2h 5m. This is an estimate from the distance; actual block times depend on the aircraft, winds and the exact routing. OKA is roughly south of ICN.
How is the ICN to OKA route written in code?
The pair is written ICN-OKA in IATA codes and RKSI-ROAH in ICAO codes, the form used on a flight plan. Incheon International Airport is ICN (RKSI), Naha International Airport is OKA (ROAH).
| ICN | OKA | |
|---|---|---|
| Airport | Incheon International Airport | Naha International Airport |
| ICAO code | RKSI | ROAH |
| Country | South Korea | Japan |
| Elevation | 23 ft | 12 ft |
| Rank by connections | #14 | #265 |
Both ICAO codes start with R, the prefix ICAO assigns to East Asia, so this is a route inside one ICAO region. How ICAO prefixes are laid out.
The two fields sit at almost the same height, within 11 ft (3 m) of each other.
Airlines flying ICN to OKA
2 airlines appear on this route in the open route dataset, 2 of them still listed as active. Each row gives the IATA code, the ICAO code and the radio callsign, which is what an air traffic controller hears:
| IATA | Airline | ICAO | Callsign | Status |
|---|---|---|---|---|
| LJ | Jin Air | JNA | Jin Air | Active |
| OZ | Asiana Airlines | AAR | Asiana | Active |
A further 1 carrier sell this pair as a codeshare without operating it: NH.
Route and carrier data comes from the OpenFlights open dataset, regenerated here on . It is a historical snapshot of scheduled connections, not a live schedule, and it includes codeshare listings, so some carriers shown may no longer operate the route or exist. How we build this · Data and sources.
Frequently asked questions
How far is Seoul from Naha?
Incheon International Airport (ICN) and Naha International Airport (OKA) are 1,259 km (782 mi, 680 nautical miles) apart in a straight line.
How long is the flight from ICN to OKA?
A typical nonstop flight between ICN and OKA takes about 2h 5m. Actual times vary with aircraft type, winds and routing.
What direction is OKA from ICN?
Naha International Airport (OKA) lies roughly south of Incheon International Airport (ICN).
Which airlines fly ICN to OKA?
2 airlines appear on the ICN-OKA route in the open dataset, including Jin Air, Asiana Airlines.
Related routes
Other routes from Seoul (ICN):
Other routes from Naha (OKA):
ICN airport code · OKA airport code · Busiest airports worldwide