Best way to travel between

Rennes
Cologne
Travel Modes
Price
Distance
Duration
CO2
bus
$38.4
902.93 km
13h 26mins
27.09 kgs
 
drive
$114.24
833.63 km
7h 42mins
106.7 kgs
 
flight
$145.0
1139.81 km
6h 33mins
123.1 kgs
 
train
$182.24457408
888.42 km
6h 15mins
47.09 kgs
 
Tranport Distance Time(hrs) Cost(local) Cost(usd)
Bus 902.93 km 13h 26mins 28 EUR 38.4
Drive 833.63 km 7h 42mins 84 EUR 114.24
Flight 1139.81 km 6h 33mins 107 EUR 145.0
Train 888.42 km 6h 15mins 134 EUR 182.24457408
Take Bus from Rennes to Brussels-North train station
Time: 10h 45mins Cost: 29 EUR; $ 36.0 - 44.0 USD CO2 Emission: 20.6 kgs
Take Train from Bruxelles-Nord to Koeln Hbf
Time: 1h 41mins Cost: 37 EUR; $ 45.0 - 55.0 USD CO2 Emission: 11.47 kgs
Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Rennes and Cologne is to travel by bus, which will cost about 28 EUR or 34.20 USD.