Seongnam-si to Tokyo flights
Tokyo lies 1,137 km (707 mi) east of Seongnam-si, in the same time zone. What the numbers say about getting there, and where to book.
A nonstop flight would take about 2 h 12 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.
| Seongnam-si | Tokyo | |
|---|---|---|
| Country | South Korea | Japan |
| Population | 914,832 | 9.7 million |
| Elevation | 80 m (262 ft) | 44 m (144 ft) |
| Time now | UTC+9 (Asia/Seoul) | UTC+9 (Asia/Tokyo) |
| Nearest large airport | GMP, 33 km out | HND, 18 km out |
What changes when you arrive in Tokyo
Crossing from South Korea into Japan: money changes from the Won to the Yen (JPY); traffic switches to the left; sockets are NEMA 1-15, NEMA 5-15; the dialling code becomes +81; the emergency number is http://www.wikidata.org/entity/Q11185210 / http://www.wikidata.org/entity/Q25648823.
Airports at each end
Leaving 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).
Arriving in Tokyo
Tokyo is served by 3 airports with scheduled flights within 100 km. The closest large one is Tokyo Haneda International Airport (HND), 18 km (11 mi) from the centre, whose 11,024-ft runway is long enough for long-haul wide-body aircraft. The alternatives are Narita International Airport (NRT, 64 km), Ibaraki Airport (IBR, 85 km).
| Airport | Code | From centre | Longest runway | Elevation |
|---|---|---|---|---|
| Tokyo Haneda International Airport | HND | 18 km (11 mi) | 11,024 ft | 35 ft |
| Narita International Airport | NRT | 64 km (40 mi) | 13,123 ft | 141 ft |
| Ibaraki Airport | IBR | 85 km (53 mi) | 8,858 ft | 105 ft |
Book a flight to Tokyo
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Staying in Tokyo
Our booking partner lists 5,621+ places to stay in Tokyo (statistics below are from the first 1,000). Of the 996 with a star rating, the largest group is 3-star (586), and 65 are five-star. Across 901 properties with at least 50 reviews, the average guest score is 8.5 out of 10. Guests have left 2,032,292 reviews in total.
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Common questions
How far is Tokyo from Seongnam-si?
1,137 km (707 mi) in a straight line, east of Seongnam-si.
How long does it take to get from Seongnam-si to Tokyo by air?
About 2 h 12 min, estimated from distance and typical speeds for a nonstop flight. Timetables and traffic decide the real figure.
Is there a time difference between Seongnam-si and Tokyo?
No, both are on the same offset at the moment.
Which airports are used for Seongnam-si to Tokyo flights?
Typically Seoul Gimpo International Airport (GMP) to Tokyo Haneda International Airport (HND); Tokyo also has NRT, IBR.
What currency do I need in Tokyo?
The Yen (JPY).
Where can I stay in Tokyo?
Our booking partner lists 5,621+ places to stay in Tokyo, bookable on this site.
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 13 September 2026. Hotel 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.