Transport mode
CO2 emissions (kg)
Journey time (city centre – city centre)
Coach
5.7
2 hours 35 minutes
Rail
10.1
1 hour 25 minutes
Car (two passengers)
18.3
2 hours 15 minutes
Car (single occupant)
36.6
25
4 hours
45.1
5 hours 15 minutes
Aeroplane
80.3
4 hours (25 minutes transfer, 2 hour check in, 1 hour 15 minutes flight, 25 minutes transfer.)
90.2
35.7
4 hours 40 minutes
64.4
7 hours 15 minutes
114.5
4 hours 15 minutes (25 minutes transfer, 2 hour check in, 1 hour 30 minutes flight, 25 minutes transfer.)
128.7