Isehara to Seongnam-si flights
Seongnam-si lies 1,112 km (691 mi) west of Isehara, in the same time zone. What the numbers say about getting there, and where to book.
A nonstop flight would take about 2 h 11 min gate to gate, based on the distance and typical cruise speed with taxi and climb allowed for; connecting itineraries add the layover on top.
Open Seongnam-si in Google Maps
| Isehara | Seongnam-si | |
|---|---|---|
| Country | Japan | South Korea |
| Population | 103,401 | 914,832 |
| Elevation | 35 m (115 ft) | 80 m (262 ft) |
| Time now | UTC+9 (Asia/Tokyo) | UTC+9 (Asia/Seoul) |
| Nearest large airport | HND, 46 km out | GMP, 33 km out |
What changes when you arrive in Seongnam-si
Crossing from Japan into South Korea: money changes from the Yen to the Won (KRW); traffic switches to the right; sockets are Euro, Schuko; the dialling code becomes +82; the emergency number is http://www.wikidata.org/entity/Q1061257 / http://www.wikidata.org/entity/Q25648804.
Airports at each end
Leaving Isehara
Isehara is served by 2 airports with scheduled flights within 100 km. The closest large one is Tokyo Haneda International Airport (HND), 46 km (29 mi) from the centre, whose 11,024-ft runway is long enough for long-haul wide-body aircraft. The alternatives are Oshima Airport (OIM, 69 km).
Arriving in Seongnam-si
Seongnam-si is served by 4 airports with scheduled flights within 100 km. The closest large one is Seoul Gimpo International Airport (GMP), 33 km (21 mi) from the centre, whose 11,811-ft runway is long enough for long-haul wide-body aircraft. The alternatives are Incheon International Airport (ICN, 61 km), Cheongju International Airport/Cheongju Air Base (K-59/G-513) (CJJ, 87 km), Wonju Airport / Hoengseong Air Base (K-38/K-46) (WJU, 73 km).
| Airport | Code | From centre | Longest runway | Elevation |
|---|---|---|---|---|
| Seoul Gimpo International Airport | GMP | 33 km (21 mi) | 11,811 ft | 59 ft |
| Incheon International Airport | ICN | 61 km (38 mi) | 13,123 ft | 23 ft |
| Cheongju International Airport/Cheongju Air Base (K-59/G-513) | CJJ | 87 km (54 mi) | 9,000 ft | 191 ft |
| Wonju Airport / Hoengseong Air Base (K-38/K-46) (regional) | WJU | 73 km (45 mi) | 9,000 ft | 329 ft |
Book a flight to Seongnam-si
Our airline partner is activating live fares for this site; the search below opens the moment that is done. Hotels can be booked now.
Flights are sold here by AirOrSeaTravel through our booking partner, Nuitée, which takes the payment; the ticket is issued by the airline. How this works.
Staying in Seongnam-si
Live rooms and prices for Seongnam-si are in the search below.
Book a hotel in Seongnam-si
Live rooms and prices from our booking partner, booked and paid for here. Free cancellation is marked where it applies.
Common questions
How far is Seongnam-si from Isehara?
1,112 km (691 mi) in a straight line, west of Isehara.
How long does it take to get from Isehara to Seongnam-si by air?
About 2 h 11 min, estimated from distance and typical speeds for a nonstop flight. Timetables and traffic decide the real figure.
Is there a time difference between Isehara and Seongnam-si?
No, both are on the same offset at the moment.
Which airports are used for Isehara to Seongnam-si flights?
Typically Tokyo Haneda International Airport (HND) to Seoul Gimpo International Airport (GMP); Seongnam-si also has ICN, CJJ, WJU.
What currency do I need in Seongnam-si?
The Won (KRW).
Where these facts come from
- GeoNames (CC BY 4.0): population, elevation, time zone, postal codes
- Wikidata (CC0): area, sister cities, visitor numbers, heritage listings, stations and ports
- OurAirports (public domain): airports, runways
- Natural Earth (public domain): map outlines
Data compiled 14 September 2026. Hotel and hostel figures are from our booking partner’s catalogue on that date. Journey times on this page are estimates from distance, not timetables; check the operator before you rely on one.