Best way to travel between

Porto
Milan
Travel Modes
Price
Distance
Duration
CO2
train
$185.0
2223.52 km
32h 21mins
117.85 kgs
 
bus
$218.0
2332.74 km
37h 13mins
69.98 kgs
 
flight
$310.0
1993.95 km
7h 40mins
215.35 kgs
 
drive
$430.0
2057.12 km
20h 55mins
263.31 kgs
 
Tranport Distance Time(hrs) Cost(local) Cost(usd)
Train 2223.52 km 32h 21mins 136 EUR 185.0
Bus 2332.74 km 37h 13mins 161 EUR 218.0
Flight 1993.95 km 7h 40mins 228 EUR 310.0
Drive 2057.12 km 20h 55mins 317 EUR 430.0
Take Bus from Porto to Sion
Time: 28h 42mins Cost: 96 EUR; $ 117.0 - 143.0 USD CO2 Emission: 60.07 kgs
Take Train from Sion to Milano Centrale
Time: 2h 28mins Cost: 41 EUR; $ 49.5 - 60.5 USD CO2 Emission: 11.65 kgs
Take Train from Centrale FS to Montenapoleone
Time: 5mins Cost: 1 EUR; $ 1.8 - 2.2 USD CO2 Emission: 0.12 kgs
Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Porto and Milan is to travel by train, which will cost about 136 EUR or 166.50 USD.