2001: Average cost based on current fares

London - Glasgow: £17

Glasgow - Barcelona: £47

Barcelona - Geneva: £25

Geneva - London: £22

Total cost: £111

Price per mile: 5.9 pence

1991: Average cost based on scheduled fares

London - Glasgow: £180

Glasgow - Barcelona: £200

Barcelona - Geneva: £150

Geneva - London: £170

Total cost: £700

Price per mile: 37 pence

Total distance: 1,859 miles