Sejong to Tokyo flights
Tokyo lies 1,117 km (694 mi) east of Sejong, 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.
| Sejong | Tokyo | |
|---|---|---|
| Country | South Korea | Japan |
| Population | 394,630 | 9.7 million |
| Elevation | 49 m (161 ft) | 44 m (144 ft) |
| Time now | UTC+9 (Asia/Seoul) | UTC+9 (Asia/Tokyo) |
| Nearest large airport | CJJ, 23 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 Sejong
Sejong is served by 2 airports with scheduled flights within 100 km. The closest large one is Cheongju International Airport/Cheongju Air Base (K-59/G-513) (CJJ), 23 km (14 mi) from the centre, with a longest runway of 9,000 ft, which limits it to short and medium-haul aircraft. The alternatives are Gunsan Airport / Gunsan Air Base (KUV, 98 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.
Book a hotel in Tokyo
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Common questions
How far is Tokyo from Sejong?
1,117 km (694 mi) in a straight line, east of Sejong.
How long does it take to get from Sejong to Tokyo 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 Sejong and Tokyo?
No, both are on the same offset at the moment.
Which airports are used for Sejong to Tokyo flights?
Typically Cheongju International Airport/Cheongju Air Base (K-59/G-513) (CJJ) 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 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.