Best way to travel between Paris, France and Porto

A: Paris, France

B: Porto

Travel Modes: Price; Distance; Duration; CO2

train: $123.11; 1642.26 km; 20h 34mins; 87.04 kgs

bus: $133.0; 1780.63 km; 26h 12mins; 53.42 kgs

flight: $220.0; 1362.72 km; 6h 1mins; 147.17 kgs

drive: $310.0; 1643.2 km; 16h 43mins; 210.33 kgs

Tranport	Distance	Time(hrs)	Cost(local)	Cost(usd)
Train	1642.26 km	20h 34mins	91 EUR	123.11
Bus	1780.63 km	26h 12mins	98 EUR	133.0
Flight	1362.72 km	6h 1mins	162 EUR	220.0
Drive	1643.2 km	16h 43mins	228 EUR	310.0

Take Train from Paris Montparnasse to Poitiers: Time: 1h 44mins Cost: 52 EUR; $ 63.0 - 77.0 USD CO2 Emission: 17.08 kgs
Take Bus from Poitiers to Porto - Hospital São João: Time: 17h 31mins Cost: 38 EUR; $ 46.9 - 57.3 USD CO2 Emission: 39.47 kgs
Take Train from Hospital de São João to Aliados: Time: 14mins Cost: 1 EUR; $ 0.9 - 1.1 USD CO2 Emission: 0.24 kgs

Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Paris, France and Porto is to travel by train, which will cost about 91 EUR or 110.70 USD.