| Sankt Gallen to Ifield | 501.18 mi (806.57 km) |
| Sankt Gallen to Ilford | 504.59 mi (812.05 km) |
| Sankt Gallen to Ilfracombe | 660.24 mi (1,062.55 km) |
| Sankt Gallen to Ilkeston | 607.20 mi (977.20 km) |
| Sankt Gallen to Ilkley | 663.37 mi (1,067.60 km) |
| Sankt Gallen to Immingham | 599.31 mi (964.50 km) |
| Sankt Gallen to Ince-in-Makerfield | 673.42 mi (1,083.76 km) |
| Sankt Gallen to Inverness | 896.76 mi (1,443.19 km) |
| Sankt Gallen to Inverurie | 839.91 mi (1,351.70 km) |
| Sankt Gallen to Ipswich | 486.42 mi (782.82 km) |
| Sankt Gallen to Irlam | 663.71 mi (1,068.13 km) |
| Sankt Gallen to Irthlingborough | 558.00 mi (898.02 km) |
| Sankt Gallen to Irvine | 824.56 mi (1,327.01 km) |
| Sankt Gallen to Islington | 511.09 mi (822.53 km) |
| Sankt Gallen to Iver | 525.45 mi (845.63 km) |
