| Rorschach to Ifield | 504.55 mi (812.00 km) |
| Rorschach to Ilford | 507.58 mi (816.87 km) |
| Rorschach to Ilfracombe | 664.18 mi (1,068.89 km) |
| Rorschach to Ilkeston | 609.63 mi (981.11 km) |
| Rorschach to Ilkley | 665.40 mi (1,070.86 km) |
| Rorschach to Immingham | 601.08 mi (967.34 km) |
| Rorschach to Ince-in-Makerfield | 675.82 mi (1,087.63 km) |
| Rorschach to Inverness | 897.75 mi (1,444.78 km) |
| Rorschach to Inverurie | 840.58 mi (1,352.78 km) |
| Rorschach to Ipswich | 488.73 mi (786.54 km) |
| Rorschach to Irlam | 666.13 mi (1,072.03 km) |
| Rorschach to Irthlingborough | 560.66 mi (902.29 km) |
| Rorschach to Irvine | 826.38 mi (1,329.93 km) |
| Rorschach to Islington | 514.14 mi (827.43 km) |
| Rorschach to Iver | 528.61 mi (850.72 km) |
