Best way to travel between

Cologne
Sofia
Travel Modes
Price
Distance
Duration
CO2
bus
$118.0
2165.1 km
38h 0mins
64.95 kgs
 
train
$195.0
1964.55 km
25h 38mins
104.12 kgs
 
flight
$269.0
1638.0 km
5h 34mins
176.9 kgs
 
drive
$360.0
1899.24 km
20h 17mins
243.1 kgs
 
Tranport Distance Time(hrs) Cost(local) Cost(usd)
Bus 2165.1 km 38h 0mins 170 BGN 118.0
Train 1964.55 km 25h 38mins 281 BGN 195.0
Flight 1638.0 km 5h 34mins 388 BGN 269.0
Drive 1899.24 km 20h 17mins 519 BGN 360.0
Take Bus from Köln ZOB to Düsseldorf ZOB
Time: 32mins Cost: 12 BGN; $ 7.2 - 8.8 USD CO2 Emission: 1.22 kgs
Take Bus from Düsseldorf Hbf to Sofia
Time: 36h 25mins Cost: 159 BGN; $ 99.0 - 121.0 USD CO2 Emission: 63.73 kgs
Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Cologne and Sofia is to travel by bus, which will cost about 170 BGN or 106.20 USD.