| Therwil to Imola | 295.43 mi (475.45 km) |
| Therwil to Impruneta | 318.56 mi (512.67 km) |
| Therwil to Induno Olona | 129.20 mi (207.92 km) |
| Therwil to Inverigo | 145.43 mi (234.05 km) |
| Therwil to Inveruno | 150.31 mi (241.90 km) |
| Therwil to Inzago | 164.03 mi (263.98 km) |
| Therwil to Iseo | 174.10 mi (280.19 km) |
| Therwil to Isernia | 523.51 mi (842.51 km) |
| Therwil to Isola Capo Rizzuto | 759.83 mi (1,222.83 km) |
| Therwil to Isola del Liri | 499.21 mi (803.40 km) |
| Therwil to Isola della Scala | 225.69 mi (363.22 km) |
| Therwil to Isola Vicentina | 225.68 mi (363.19 km) |
| Therwil to Ispica | 829.77 mi (1,335.38 km) |
| Therwil to Istrana | 249.78 mi (401.99 km) |
| Therwil to Itri | 520.94 mi (838.37 km) |
