| Thonon-les-Bains to Impruneta | 297.65 mi (479.03 km) |
| Thonon-les-Bains to Induno Olona | 118.39 mi (190.53 km) |
| Thonon-les-Bains to Inverigo | 138.47 mi (222.85 km) |
| Thonon-les-Bains to Inveruno | 128.21 mi (206.33 km) |
| Thonon-les-Bains to Inzago | 155.46 mi (250.18 km) |
| Thonon-les-Bains to Iseo | 178.47 mi (287.21 km) |
| Thonon-les-Bains to Isernia | 506.70 mi (815.45 km) |
| Thonon-les-Bains to Isola Capo Rizzuto | 742.34 mi (1,194.68 km) |
| Thonon-les-Bains to Isola del Liri | 478.25 mi (769.67 km) |
| Thonon-les-Bains to Isola della Scala | 231.08 mi (371.88 km) |
| Thonon-les-Bains to Isola Vicentina | 244.01 mi (392.69 km) |
| Thonon-les-Bains to Ispica | 791.25 mi (1,273.40 km) |
| Thonon-les-Bains to Istrana | 273.86 mi (440.73 km) |
| Thonon-les-Bains to Itri | 496.58 mi (799.16 km) |
| Thonon-les-Bains to Ittiri | 411.70 mi (662.57 km) |
