In 2012, me and my friends travelled to Thailand, Cambodia and Laos - 3 countries in 30 days. Each of us had a slightly varying travel plan, this one below is mine.
Day 1: Flight from Auckland to BANGKOK
Day 2- 4: BANGKOK
Day 5: Morning flight to SUKOTHAI
Day 6: SUKOTHAI
Day 7: Bus to CHIANG MAI
Day 8 - 10: CHIANG MAI
Day 11: Morning flight from CHIANG MAI to KRABI via BANGKOK
Day 12 - 13: KRABI
Day 14: Bus and boat ride to KOH PHANGAN
Day 15 - 16: KOH PHANGAN
Day 17: Morning boat and flight to BANGKOK
Day 18: BANGKOK
Day 19: Morning flight to PHNOM PENH
Day 20: PHNOM PENH
Day 21: Bus / Boat ride to SIEM REAP
Day 22 -23: SIEM REAP
Day 24: Morning flight to VIENTIANE
Day 25 VIENTIANE
Day 26: Morning flight to LUANG PRABANG
Day 27 - 28: LUANG PRABANG
Day 29 - Morning flight to BANGKOK
Day 30 - Depart BANGKOK for Auckland
It was a good split of days across the various cities, towns and villages.
Bangkok - 6 days
Sukothai - 2 days
Chiang Mai - 4 days
Krabi - 3 days
Koh Pha Ngan - 3 days
Phnom Penh - 2 days
Siem Reap - 3 days
Vientiane - 2 days
Luang Prabhang - 3 days