Best way to travel between Trieste, Italy and Frankfurt

A: Trieste, Italy

B: Frankfurt

Travel Modes: Price; Distance; Duration; CO2

bus: $109.0; 1202.25 km; 20h 2mins; 36.07 kgs

train: $189.0; 923.14 km; 13h 18mins; 48.93 kgs

drive: $190.0; 928.72 km; 9h 43mins; 118.88 kgs

flight: $250.0; 1041.6 km; 8h 52mins; 112.49 kgs

Tranport	Distance	Time(hrs)	Cost(local)	Cost(usd)
Bus	1202.25 km	20h 2mins	80 EUR	109.0
Train	923.14 km	13h 18mins	139 EUR	189.0
Drive	928.72 km	9h 43mins	140 EUR	190.0
Flight	1041.6 km	8h 52mins	184 EUR	250.0

Take Bus from Trieste to Porec: Time: 1h 21mins Cost: 8 EUR; $ 9.9 - 12.1 USD CO2 Emission: 2.49 kgs
Take Bus from Porec to Frankfurt Hbf: Time: 17h 17mins Cost: 70 EUR; $ 85.5 - 104.5 USD CO2 Emission: 33.42 kgs
Take Train from Hauptbahnhof to Marbachweg/Sozialzentrum: Time: 16mins Cost: 2 EUR; $ 2.7 - 3.3 USD CO2 Emission: 0.3 kgs

Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Trieste, Italy and Frankfurt is to travel by bus, which will cost about 80 EUR or 98.10 USD.