So it is very easy from Thailand to visit Cambodia or Laos and many foreigners they have travelled to Thailand, Cambodia and Laos in one go. However you need to rush. One easy itinerary can be: 1. Land in bangkok 2 Palaces, temples and floating market 3 China town, malls etc take night train to Chiang Mai or over night bus is also good option 4. Chiang Mai excursions 5. Chiang Mai to Luang Prabang ( Laos) over night trains available or you can go to Chiang Rai also and then travel to Laos. There are nice cruise to Luang Prabang 6. Luang Prabang 7. Visit night markets / caves etc spend 2 nights here 8. Then visit van vieng. Thailand and Laos can be done easily 8.
Thailand ous a big beautiful country..
It takes more than a month to cover Thailand decently so check what you wanna do. always better to experience a country to is fullest and of you get bored you can always travel to Cambodia as it has visa on arrival