Best way to travel between Zurich, Switzerland and Porto

A: Zurich, Switzerland

B: Porto

Travel Modes: Price; Distance; Duration; CO2

bus: $198.7; 2135.7 km; 34h 48mins; 64.07 kgs

train: $210.0; 2043.6 km; 34h 24mins; 108.31 kgs

flight: $244.0; 1650.6 km; 6h 35mins; 178.26 kgs

drive: $390.0; 2026.96 km; 21h 5mins; 259.45 kgs

Tranport	Distance	Time(hrs)	Cost(local)	Cost(usd)
Bus	2135.7 km	34h 48mins	146 EUR	198.7
Train	2043.6 km	34h 24mins	155 EUR	210.0
Flight	1650.6 km	6h 35mins	180 EUR	244.0
Drive	2026.96 km	21h 5mins	287 EUR	390.0

Take Bus from Zurich to Salamanca: Time: 26h 44mins Cost: 88 EUR; $ 108.0 - 132.0 USD CO2 Emission: 52.29 kgs
Take Bus from Salamanca to Vilvestre: Time: 1h 50mins Cost: 7 EUR; $ 9.0 - 11.0 USD CO2 Emission: 3.7 kgs
Take Car from Vilvestre to Freixo: Time: 41mins Cost: 44 EUR; $ 54.0 - 66.0 USD CO2 Emission: 5.32 kgs
Take Bus from Freixo to Porto: Time: 3h 27mins Cost: 6 EUR; $ 7.8 - 9.6 USD CO2 Emission: 6.85 kgs

Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Zurich, Switzerland and Porto is to travel by bus, which will cost about 147 EUR or 179.10 USD.