Best way to travel between Copenhagen and Belgrade

A: Copenhagen

B: Belgrade

Travel Modes: Price; Distance; Duration; CO2

train: $19.0; 1967.68 km; 31h 27mins; 104.29 kgs

bus: $60.0; 2307.9 km; 24h 58mins; 69.24 kgs

flight: $277.0; 1391.78 km; 6h 18mins; 150.31 kgs

drive: $420.0; 2105.25 km; 21h 47mins; 269.47 kgs

Tranport	Distance	Time(hrs)	Cost(local)	Cost(usd)
Train	1967.68 km	31h 27mins	70 AED	19.0
Bus	2307.9 km	24h 58mins	220 AED	60.0
Flight	1391.78 km	6h 18mins	1,017 AED	277.0
Drive	2105.25 km	21h 47mins	1,543 AED	420.0

Take Bus from Copenhagen to Zupanja: Time: 25h 56mins Cost: 251 AED; $ 61.6 - 75.3 USD CO2 Emission: 53.41 kgs
Take Train from Zupanja to Vinkovci: Time: 42mins Cost: 18 AED; $ 4.5 - 5.5 USD CO2 Emission: 1.52 kgs
Take Train from Vinkovci to Beograd: Time: 2h 44mins Cost: 51 AED; $ 12.6 - 15.4 USD CO2 Emission: 8.42 kgs

Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Copenhagen and Belgrade is to travel by train, which will cost about 70 AED or 17.10 USD.