Best way to travel between Cologne and Tehran

A: Cologne

B: Tehran

Travel Modes: Price; Distance; Duration; CO2

bus: $235.0; 5308.08 km; 93h 25mins; 159.24 kgs

train: $295.0; 5157.6 km; 80h 5mins; 273.35 kgs

flight: $374.0; 4211.55 km; 10h 7mins; 454.85 kgs

drive: $950.0; 4907.59 km; 57h 21mins; 628.17 kgs

Tranport	Distance	Time(hrs)	Cost(local)	Cost(usd)
Bus	5308.08 km	93h 25mins	5,828,776 IRR	235.0
Train	5157.6 km	80h 5mins	7,316,974 IRR	295.0
Flight	4211.55 km	10h 7mins	9,276,434 IRR	374.0
Drive	4907.59 km	57h 21mins	23,563,135 IRR	950.0

Take Bus from Cologne Hbf to Sarajevo: Time: 27h 38mins Cost: 2,356,314 IRR; $ 85.5 - 104.5 USD CO2 Emission: 49.73 kgs
Take Bus from Sarajevo to Istanbul: Time: 27h 2mins Cost: 2,232,297 IRR; $ 81.0 - 99.0 USD CO2 Emission: 34.96 kgs
Take Bus from Istanbul to Tehran Beyhaghi Terminal: Time: 36h 43mins Cost: 1,240,165 IRR; $ 45.0 - 55.0 USD CO2 Emission: 74.58 kgs

Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Cologne and Tehran is to travel by bus, which will cost about 5,828,776 IRR or 211.50 USD.