Best way to travel between Haikou, Hainan, China and Siem Reap, Cambodia

A: Haikou, Hainan, China

B: Siem Reap, Cambodia

Travel Modes: Price; Distance; Duration; CO2

train: $124.0; 3191.76 km; 65h 18mins; 169.16 kgs

bus: $132.0; 2761.43 km; 67h 37mins; 82.84 kgs

train: $222.0; 3912.48 km; 56h 20mins; 207.36 kgs

flight: $333.0; 1085.76 km; 4h 44mins; 117.26 kgs

drive: $430.29; 2761.43 km; 60h 51mins; 353.46 kgs

Tranport	Distance	Time(hrs)	Cost(local)	Cost(usd)
Train	3191.76 km	65h 18mins	496,331 KHR	124.0
Bus	2761.43 km	67h 37mins	528,352 KHR	132.0
Train	3912.48 km	56h 20mins	888,593 KHR	222.0
Flight	1085.76 km	4h 44mins	1,332,889 KHR	333.0
Drive	2761.43 km	60h 51mins	1,722,309 KHR	430.29

Take Bus from Municipal Stadium to Marine Board: Time: 25mins Cost: 1,521 KHR; $ 0.3 - 0.4 USD CO2 Emission: 0.29 kgs
Take Bus from Haikou to Nanning: Time: 8h 19mins Cost: 164,109 KHR; $ 36.9 - 45.1 USD CO2 Emission: 14.86 kgs
Take Train from Nanning Station to Hanoi station: Time: 8h 26mins Cost: 52,035 KHR; $ 11.7 - 14.3 USD CO2 Emission: 21.29 kgs
Take Train from Hanoi to Ho Chi Minh City: Time: 32h 46mins Cost: 180,120 KHR; $ 40.5 - 49.5 USD CO2 Emission: 95.36 kgs
Take Car from Ho Chi Minh City to Ho Chi Minh: Time: 6mins Cost: 24,016 KHR; $ 5.4 - 6.6 USD CO2 Emission: 0.86 kgs
Take Bus from Ho Chi Minh to Siem Reap: Time: 11h 26mins Cost: 76,051 KHR; $ 17.1 - 20.9 USD CO2 Emission: 14.39 kgs

Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Haikou, Hainan, China and Siem Reap, Cambodia is to travel by train, which will cost about 496,331 KHR or 111.60 USD.