Best way to travel between Istanbul, Turkey and Ljubljana

A: Istanbul, Turkey

B: Ljubljana

Travel Modes: Price; Distance; Duration; CO2

train: $137.0; 1784.99 km; 41h 7mins; 94.6 kgs

bus: $169.0; 1846.79 km; 30h 57mins; 55.4 kgs

flight: $241.0; 1368.87 km; 8h 53mins; 147.84 kgs

drive: $300.0; 1489.75 km; 16h 46mins; 190.69 kgs

Tranport	Distance	Time(hrs)	Cost(local)	Cost(usd)
Train	1784.99 km	41h 7mins	101 EUR	137.0
Bus	1846.79 km	30h 57mins	124 EUR	169.0
Flight	1368.87 km	8h 53mins	177 EUR	241.0
Drive	1489.75 km	16h 46mins	221 EUR	300.0

Take Bus from Istanbul to Sarajevo: Time: 27h 18mins Cost: 59 EUR; $ 72.0 - 88.0 USD CO2 Emission: 35.04 kgs
Take Train from Sarajevo to Zagreb Glavni Kolod.: Time: 9h 21mins Cost: 33 EUR; $ 40.5 - 49.5 USD CO2 Emission: 25.12 kgs
Take Train from Zagreb Glavni Kolod. to Ljubljana: Time: 2h 24mins Cost: 7 EUR; $ 9.0 - 11.0 USD CO2 Emission: 7.58 kgs

Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Istanbul, Turkey and Ljubljana is to travel by train, which will cost about 101 EUR or 123.30 USD.