Best way to travel between

Cologne
Rennes
Travel Modes
Price
Distance
Duration
CO2
bus
$95.0
910.48 km
13h 44mins
27.31 kgs
 
drive
$115.36
834.88 km
7h 44mins
106.86 kgs
 
flight
$154.5
1139.79 km
6h 30mins
123.1 kgs
 
train
$156.0
889.62 km
5h 14mins
47.15 kgs
 
Tranport Distance Time(hrs) Cost(local) Cost(usd)
Bus 910.48 km 13h 44mins 70 EUR 95.0
Drive 834.88 km 7h 44mins 85 EUR 115.36
Flight 1139.79 km 6h 30mins 114 EUR 154.5
Train 889.62 km 5h 14mins 115 EUR 156.0
Take Train from Köln Hbf to Bruxelles Midi
Time: 1h 55mins Cost: 44 EUR; $ 54.0 - 66.0 USD CO2 Emission: 11.65 kgs
Take Train from Bruxelles-Midi to Bruxelles-Nord
Time: 8mins Cost: 9 EUR; $ 10.8 - 13.2 USD CO2 Emission: 0.19 kgs
Take Bus from Brussels-North train station to Rennes
Time: 10h 40mins Cost: 29 EUR; $ 36.0 - 44.0 USD CO2 Emission: 20.61 kgs
Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Cologne and Rennes is to travel by bus, which will cost about 70 EUR or 85.50 USD.