| Solothurn to Ifield | 441.35 mi (710.28 km) |
| Solothurn to Ilford | 449.21 mi (722.93 km) |
| Solothurn to Ilfracombe | 592.95 mi (954.27 km) |
| Solothurn to Ilkeston | 557.52 mi (897.24 km) |
| Solothurn to Ilkley | 618.14 mi (994.80 km) |
| Solothurn to Immingham | 557.75 mi (897.61 km) |
| Solothurn to Ince-in-Makerfield | 623.55 mi (1,003.50 km) |
| Solothurn to Inverness | 862.79 mi (1,388.53 km) |
| Solothurn to Inverurie | 810.13 mi (1,303.78 km) |
| Solothurn to Ipswich | 439.43 mi (707.19 km) |
| Solothurn to Irlam | 613.74 mi (987.72 km) |
| Solothurn to Irthlingborough | 506.08 mi (814.46 km) |
| Solothurn to Irvine | 780.87 mi (1,256.68 km) |
| Solothurn to Islington | 454.96 mi (732.19 km) |
| Solothurn to Iver | 467.84 mi (752.92 km) |
