Best way to travel between Hong Kong and Beihai, China

A: Hong Kong

B: Beihai, China

Travel Modes: Price; Distance; Duration; CO2

bus: $43.0; 751.44 km; 17h 30mins; 22.54 kgs

train: $100.0; 1005.28 km; 9h 50mins; 53.28 kgs

flight: $137.0; 605.64 km; 4h 59mins; 65.41 kgs

drive: $140.0; 708.64 km; 7h 25mins; 90.71 kgs

flight: $250.0; 691.85 km; 6h 8mins; 74.72 kgs

Tranport	Distance	Time(hrs)	Cost(local)	Cost(usd)
Bus	751.44 km	17h 30mins	262 CNY	43.0
Train	1005.28 km	9h 50mins	610 CNY	100.0
Flight	605.64 km	4h 59mins	836 CNY	137.0
Drive	708.64 km	7h 25mins	854 CNY	140.0
Flight	691.85 km	6h 8mins	1,525 CNY	250.0

Take Bus from Sheung Wan to Guanzhou The Garden Hotel: Time: 3h 29mins Cost: 85 CNY; $ 12.6 - 15.4 USD CO2 Emission: 4.97 kgs
Take Train from Taojin to Jiaokou: Time: 20mins Cost: 6 CNY; $ 0.9 - 1.1 USD CO2 Emission: 0.56 kgs
Take Bus from Guangzhou Jiaokou to Guangxi Beihai: Time: 13h 8mins Cost: 171 CNY; $ 25.2 - 30.8 USD CO2 Emission: 17.28 kgs

Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Hong Kong and Beihai, China is to travel by bus, which will cost about 262 CNY or 38.70 USD.