Best way to travel between Cologne and Izmir, Turkey

A: Cologne

B: Izmir, Turkey

Travel Modes: Price; Distance; Duration; CO2

bus: $173.0; 3548.58 km; 63h 37mins; 106.46 kgs

flight: $327.0; 2256.45 km; 6h 47mins; 243.7 kgs

drive: $600.0; 3014.85 km; 34h 5mins; 385.9 kgs

train: $854.0; 5639.84 km; 184h 12mins; 298.91 kgs

Tranport	Distance	Time(hrs)	Cost(local)	Cost(usd)
Bus	3548.58 km	63h 37mins	348 TRY	173.0
Flight	2256.45 km	6h 47mins	658 TRY	327.0
Drive	3014.85 km	34h 5mins	1,208 TRY	600.0
Train	5639.84 km	184h 12mins	1,719 TRY	854.0

Take Bus from Cologne Hbf to Burgas: Time: 42h 41mins Cost: 262 TRY; $ 117.0 - 143.0 USD CO2 Emission: 73.95 kgs
Take Bus from Burgas to Aytos: Time: 27mins Cost: 6 TRY; $ 2.7 - 3.3 USD CO2 Emission: 0.95 kgs
Take Bus from Aytos to Istanbul: Time: 7h 44mins Cost: 48 TRY; $ 21.6 - 26.4 USD CO2 Emission: 13.16 kgs
Take Bus from Istanbul Otogar to Izmir: Time: 9h 41mins Cost: 38 TRY; $ 17.1 - 20.9 USD CO2 Emission: 18.4 kgs

Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Cologne and Izmir, Turkey is to travel by bus, which will cost about 348 TRY or 155.70 USD.