| Sarnen to Ifield | 481.23 mi (774.47 km) |
| Sarnen to Ilford | 488.66 mi (786.42 km) |
| Sarnen to Ilfracombe | 633.13 mi (1,018.93 km) |
| Sarnen to Ilkeston | 596.33 mi (959.70 km) |
| Sarnen to Ilkley | 656.31 mi (1,056.22 km) |
| Sarnen to Immingham | 595.18 mi (957.85 km) |
| Sarnen to Ince-in-Makerfield | 662.44 mi (1,066.10 km) |
| Sarnen to Inverness | 898.97 mi (1,446.75 km) |
| Sarnen to Inverurie | 845.32 mi (1,360.41 km) |
| Sarnen to Ipswich | 477.65 mi (768.71 km) |
| Sarnen to Irlam | 652.64 mi (1,050.33 km) |
| Sarnen to Irthlingborough | 545.16 mi (877.35 km) |
| Sarnen to Irvine | 818.89 mi (1,317.88 km) |
| Sarnen to Islington | 494.50 mi (795.83 km) |
| Sarnen to Iver | 507.55 mi (816.82 km) |
