Best way to travel between Tbilisi and Kiev

A: Tbilisi

B: Kiev

Travel Modes: Price; Distance; Duration; CO2

bus: $85.0; 2288.0 km; 42h 23mins; 68.64 kgs

train: $140.0; 2111.2 km; 40h 56mins; 111.89 kgs

flight: $208.0; 1562.08 km; 6h 21mins; 168.7 kgs

drive: $210.0; 1928.85 km; 25h 36mins; 246.89 kgs

Tranport	Distance	Time(hrs)	Cost(local)	Cost(usd)
Bus	2288.0 km	42h 23mins	697 UAH	85.0
Train	2111.2 km	40h 56mins	1,148 UAH	140.0
Flight	1562.08 km	6h 21mins	1,705 UAH	208.0
Drive	1928.85 km	25h 36mins	1,722 UAH	210.0

Take Bus from Tbilisi to Rostov-on-Don: Time: 19h 16mins Cost: 492 UAH; $ 54.0 - 66.0 USD CO2 Emission: 30.71 kgs
Take Bus from Rostov-na-Donu Glavnyj to Doneck Juzhnyj: Time: 8h 43mins Cost: 82 UAH; $ 9.0 - 11.0 USD CO2 Emission: 15.86 kgs
Take Bus from Donetsk to Kyiv: Time: 12h 18mins Cost: 115 UAH; $ 12.6 - 15.4 USD CO2 Emission: 22.09 kgs

Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Tbilisi and Kiev is to travel by bus, which will cost about 697 UAH or 76.50 USD.