Airports / South Korea / KAG
Gangneung Airport (K-18).
Gangneung, South Korea · 35 ft elevation. A private-aviation gateway on the Bravo register.
RKNN
IATA KAG
0
Operators based
35
Elevation ft
Field elevation
Nearest alternate
Field standing
23 nm
To the nearest alternate
Yangyang International Airport (YNY).
Overview
Gangneung Airport (K-18) (RKNN / KAG) sits in Gangneung, South Korea, where it functions as a mid-sized airport. The field lies at an elevation of 35 feet. The field has no airline schedules, which keeps it focused on private and general aviation flying.
KAG has no resident charter fleet; trips here are typically flown by operators repositioning from surrounding airports. Useful alternates include Yangyang International Airport (YNY, 23 nm), Wonju Airport / Hoengseong Air Base (K-38/K-46) (WJU, 51 nm), and Jungwon Air Base/Chungju Airport (JWO, 67 nm). KAG offers a single 9,000-foot paved runway, which supports charter types through the VIP airliner class.
Quotes for flights out of KAG vary with aircraft type, repositioning, and schedule flexibility. The airport is also known as K-18. Use the cost estimator to model a trip from KAG, or browse verified operators serving the area.
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Field capability
ICAO
RKNN
IATA
KAG
FAA / Local
RKNN
Elevation
35 ft
Coordinates
37.7536° N · 128.9439° E
Airspace
G · GolfClass G, GolfUncontrolled field, no tower. Pilots self-announce and sequence themselves on the common traffic advisory frequency.Source: FAA NASR class airspace
Size
Medium
Scheduled svc
No
Elevation vs South Korea fields
state range 6–1,171 ft
At 35 ft, KAG sits lower than 74% of the 23 South Korea fields on the register.
Runways & aircraft access
1 runway
longest 9,000 ft
- 08/269,000 ft × 150 ftConcreteLighted
Which aircraft can operate here
vs longest paved runway 9,000 ft
KAG's 9,000 ft paved runway typically supports charter aircraft up to VIP airliners.
- Turboprop3,000 ft
- Light Jet3,500 ft
- Midsize Jet4,500 ft
- Super-Midsize Jet5,000 ft
- Heavy Jet5,500 ft
- VIP Airliner6,000 ft
Class minimums are sea-level planning rules of thumb. A specific aircraft's balanced-field length varies with weight, temperature, and field elevation. Confirm performance with the operator.
Access & alternates
Closest alternate fields by great-circle distance, every listing links to its own field brief.
- 23nmYNYYangyang International AirportGonghang-ro
- 51nmWJUWonju Airport / Hoengseong Air Base (K-38/K-46)Wonju
- 67nmJWOJungwon Air Base/Chungju AirportGimseang-ro
- 73nmYECYecheon AirbaseYecheon-ri
- 89nmSSNSeoul Air Base (K-16)Seongnam
- 93nmCJJCheongju International Airport/Cheongju Air Base (K-59/G-513)Cheongju
Location
Open the full mapRKNN · Gangneung Airport (K-18) · Gangneung, South Korea
Flight times from here
Approximate nonstop block times from KAG on a typical midsize charter jet. Faster classes trim these; add positioning and taxi for the real schedule.
| Destination | Distance | Block time |
|---|---|---|
| Anchorage (ANC) | 3,209 nm | 7h 52m |
| Honolulu (HNL) | 3,850 nm | 9h 21m |
| Seattle (SEA) | 4,430 nm | 10h 42m |
| San Francisco (SFO) | 4,805 nm | 11h 34m |
| Jackson Hole (JAC) | 4,944 nm | 11h 54m |
| Salt Lake City (SLC) | 5,028 nm | 12h 6m |
| Los Angeles (VNY) | 5,082 nm | 12h 13m |
| Las Vegas (LAS) | 5,123 nm | 12h 19m |
Common questions
- What size private jets can use KAG?
- Gangneung Airport (K-18)'s longest paved runway is 9,000 ft, which typically supports charter aircraft up to VIP airliners. Lighter classes (turboprops, light and midsize jets) operate comfortably; confirm exact performance for a specific tail with the operator, since balanced-field length shifts with weight, temperature, and elevation.
- What is the longest runway at KAG?
- Gangneung Airport (K-18) has one runway; the longest measures 9,000 ft on a paved surface and is lit for night operations.
- What is the nearest major airport to KAG?
- The closest alternate is Yangyang International Airport (YNY), about 23 nm away, followed by Wonju Airport / Hoengseong Air Base (K-38/K-46) (WJU) at 51 nm. Operators often position aircraft between these fields depending on ramp space and availability.
- How long is a flight from KAG to major cities?
- Typical block times on a midsize jet: Anchorage about 7h 52m (3,209 nm), Honolulu about 9h 21m (3,850 nm), Seattle about 10h 42m (4,430 nm). Faster classes trim these times; add positioning and taxi for the real schedule.

