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How to get fromBusan to Kusatsuby plane, train, ferry, car ferry, bus, night bus, or car

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There are 11 ways to get from Busan to Kusatsu by plane, train, ferry, car ferry, bus, night bus, or car

Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.

  1. Fly Busan / Gimhae International Airport to Narita International Airport, train

    best
    1. Fly from Busan / Gimhae International Airport (PUS) to Narita International Airport (NRT)plane plane PUS - NRT
    2. Take the train from Narita Airport Terminal 2·3 to Keisei-Uenotrain train
    3. Take the train from Ueno to Naganoharakusatsuguchitrain train
    9h 29m
    ¥18,437–69,003

  2. Ferry, car ferry, night bus, bus

    cheapest
    1. Take the ferry from Busan port Int'l Passenger Terminal to Hitakatsuferry ferry
    2. Take the carferry from Hitakatsu to Fukuoka, Hakatacarferry car ferry
    3. Take the nightbus from Nishitetsu Tenjin Bus Terminal to Shinjuku Expressway Bus Terminalnightbus night bus
    4. Take the bus from Shinjuku Expressway Bus Terminal to 草津温泉ｂｔ（Ｊｒバス関東）bus bus
    29h 6m
    ¥18,188–48,212

  3. Ferry, car ferry, train

    1. Take the ferry from Busan port Int'l Passenger Terminal to Hitakatsuferry ferry
    2. Take the carferry from Hitakatsu to Fukuoka, Hakatacarferry car ferry
    3. Take the train from Hakata Fukuoka to Tōkyō Stationtrain train
    4. Take the train from Ōmiya to Naganoharakusatsuguchitrain train
    19h 8m

  4. Ferry, train, bus

    1. Take the ferry from Busan port Int'l Passenger Terminal to Shimonosekiferry ferry
    2. Take the train from Kokura to Tōkyō Stationtrain train
    3. Take the train from Tōkyō Station to Karuizawatrain train
    4. Take the bus from 軽井沢駅北口（２番のりば） to 草津温泉bus bus
    21h 55m

  5. Ferry, train, night bus, bus

    1. Take the ferry from Busan port Int'l Passenger Terminal to Shimonosekiferry ferry
    2. Take the train from Shimonoseki to Hōfutrain train
    3. Take the nightbus from Hōfu-eki to Sannomiya BTnightbus night bus
    4. Take the nightbus from Sannomiya Station to Naganonightbus night bus
    5. Take the bus from Nagano to Kusatsu Onsen Bus Terminalbus bus
    33h 21m
    ¥35,300–46,400

  6. Fly Busan / Gimhae International Airport to Tokyo International Airport, train, bus

    1. Fly from Busan / Gimhae International Airport (PUS) to Tokyo International Airport (HND)plane plane PUS - HND
    2. Take the train from Tōkyō Station to Karuizawatrain train
    3. Take the bus from 軽井沢駅北口（２番のりば） to 草津温泉bus bus
    10h 22m
    ¥30,687–71,373

  7. Train to Daegu International Airport, fly to Narita International Airport, train

    1. Take the train from Busan Station to Dongdaegu Stationtrain train
    2. Fly from Daegu International Airport (TAE) to Narita International Airport (NRT)plane plane TAE - NRT
    3. Take the train from Narita Airport Terminal 2·3 to Keisei-Uenotrain train
    4. Take the train from Ueno to Naganoharakusatsuguchitrain train
    10h 19m
    ¥20,168–55,496

  8. Fly Busan / Gimhae International Airport to Chūbu Centrair International Airport, train, bus

    1. Fly from Busan / Gimhae International Airport (PUS) to Chūbu Centrair International Airport (NGO)plane plane PUS - NGO
    2. Take the train from Nagoya to Tōkyō Stationtrain train
    3. Take the train from Tōkyō Station to Karuizawatrain train
    4. Take the bus from 軽井沢駅北口（２番のりば） to 草津温泉bus bus
    10h 54m

  9. Fly Busan / Gimhae International Airport to Matsumoto Airport, train, bus

    1. Fly from Busan / Gimhae International Airport (PUS) to Matsumoto Airport (MMJ)plane plane PUS - MMJ
    2. Take the train from Shiojiri to Shinonoitrain train
    3. Take the train from Shinonoi to Karuizawatrain train
    4. Take the bus from 軽井沢駅北口（２番のりば） to 草津温泉bus bus
    12h 13m
    ¥31,437–96,103

  10. Ferry, drive

    1. Take the ferry from Busan port Int'l Passenger Terminal to Osaka International Ferry Terminalferry ferry Panstar Miracle Busan
    2. Drive from Osaka International Ferry Terminal to Kusatsucar car
    24h 6m
    ¥28,243–70,010

  11. Ferry, train, bus via Osaka

    1. Take the ferry from Busan port Int'l Passenger Terminal to Osaka International Ferry Terminalferry ferry
    2. Take the train from Tsuruhashi to Kintetsu-Nagoyatrain train
    3. Take the train from Nagoya to Naganotrain train
    4. Take the bus from Nagano to Kusatsu Onsen Bus Terminalbus bus
    28h 13m

Busan / Gimhae International Airport (PUS) to Narita International Airport (NRT) flights

Calendar52Weekly Planes
Duration2h 10mAverage Duration
Ticket¥14,943Cheapest Price
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Comparing Your Travel Options

Map of how to get from Busan to Kusatsu.ExpandLaunch map view
  • Distance: 1,283.5 km
  • Duration: 9h 29m

What companies run services between Busan, South Korea and Kusatsu, Gunma, Japan?

There is no direct connection from Busan to Kusatsu. However, you can take the subway to Gimhae International Airport Station, walk to Busan / Gimhae International Airport (PUS) airport, fly to Narita International Airport (NRT), walk to Narita Airport Terminal 2·3, take the train to Keisei-Ueno, walk to Ueno, take the train to Naganoharakusatsuguchi, walk to 長野原草津口, then take the bus to 草津温泉. Alternatively, you can take a ferry from Busan port Int'l Passenger Terminal to 草津温泉 via Hitakatsu, Hitakatsu, Fukuoka, Hakata, Hakata Fukuoka, Tōkyō Station, Ōmiya, Naganoharakusatsuguchi, and 長野原草津口 in around 19h 8m.

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