Best way to travel between

Rome
Porto
Travel Modes
Price
Distance
Duration
CO2
flight
$226.0
1849.12 km
6h 21mins
199.7 kgs
 
train
$243.0
2576.52 km
40h 18mins
136.56 kgs
 
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Tranport Distance Time(hrs) Cost(local) Cost(usd)
Flight 1849.12 km 6h 21mins 166 EUR 226.0
Train 2576.52 km 40h 18mins 179 EUR 243.0
Take Train from Roma Termini to Fiumicino Aeroporto
Time: 33mins Cost: 10 EUR; $ 12.6 - 15.4 USD CO2 Emission: 1.51 kgs
Take Flight from FCO to OPO
Time: 3h 12mins Cost: 155 EUR; $ 189.0 - 231.0 USD CO2 Emission: 195.28 kgs
Take Train from Aeroporto to Trindade
Time: 28mins Cost: 1 EUR; $ 1.8 - 2.2 USD CO2 Emission: 0.66 kgs
Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Rome and Porto is to travel by air, which will cost about 166 EUR or 203.40 USD.