Best way to travel between

Vientiane
Phnom Penh
Travel Modes
Price
Distance
Duration
CO2
train
$40.9
2133.84 km
32h 56mins
113.09 kgs
 
flight
$192.0
772.65 km
4h 2mins
83.45 kgs
 
drive
$210.0
1289.28 km
23h 44mins
165.03 kgs
 
N/A
 
 
 
 
 
Tranport Distance Time(hrs) Cost(local) Cost(usd)
Train 2133.84 km 32h 56mins 163,709 KHR 40.9
Flight 772.65 km 4h 2mins 768,513 KHR 192.0
Drive 1289.28 km 23h 44mins 840,561 KHR 210.0
Take Bus from Vientiane to Nong Khai Province
Time: 33mins Cost: 8,005 KHR; $ 1.8 - 2.2 USD CO2 Emission: 23.93 kgs
Take Train from Nong Khai to Amphoe Aranyaprathet
Time: 17h 36mins Cost: 80,053 KHR; $ 18.0 - 22.0 USD CO2 Emission: 45.28 kgs
Take Bus from Amphoe Aranyaprathet to Phnom Penh
Time: 13h 16mins Cost: 75,650 KHR; $ 17.0 - 20.8 USD CO2 Emission: 14.46 kgs
Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Vientiane and Phnom Penh is to travel by train, which will cost about 164,109 KHR or 36.90 USD.