Best way to travel between Nantes, France and Porto

A: Nantes, France

B: Porto

Travel Modes: Price; Distance; Duration; CO2

train: $82.92; 1189.78 km; 19h 29mins; 63.06 kgs

bus: $151.0; 1423.09 km; 25h 3mins; 42.69 kgs

drive: $236.95; 1465.36 km; 23h 13mins; 187.57 kgs

flight: $284.0; 920.4 km; 4h 32mins; 99.4 kgs

Tranport	Distance	Time(hrs)	Cost(local)	Cost(usd)
Train	1189.78 km	19h 29mins	61 EUR	82.92
Bus	1423.09 km	25h 3mins	111 EUR	151.0
Drive	1465.36 km	23h 13mins	175 EUR	236.95
Flight	920.4 km	4h 32mins	209 EUR	284.0

Take Train from Nantes to Saintes: Time: 2h 49mins Cost: 33 EUR; $ 40.5 - 49.5 USD CO2 Emission: 13.41 kgs
Take Bus from Saintes to Porto - Hospital São João: Time: 15h 21mins Cost: 27 EUR; $ 33.2 - 40.6 USD CO2 Emission: 27.97 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 Nantes, France and Porto is to travel by train, which will cost about 61 EUR or 74.70 USD.