| Saint-Nazaire to Impruneta | 696.73 mi (1,121.29 km) |
| Saint-Nazaire to Induno Olona | 533.47 mi (858.54 km) |
| Saint-Nazaire to Inverigo | 553.40 mi (890.61 km) |
| Saint-Nazaire to Inveruno | 540.51 mi (869.87 km) |
| Saint-Nazaire to Inzago | 569.55 mi (916.60 km) |
| Saint-Nazaire to Iseo | 593.72 mi (955.51 km) |
| Saint-Nazaire to Isernia | 898.93 mi (1,446.68 km) |
| Saint-Nazaire to Isola Capo Rizzuto | 1,126.16 mi (1,812.39 km) |
| Saint-Nazaire to Isola del Liri | 866.82 mi (1,395.02 km) |
| Saint-Nazaire to Isola della Scala | 645.76 mi (1,039.26 km) |
| Saint-Nazaire to Isola Vicentina | 659.33 mi (1,061.08 km) |
| Saint-Nazaire to Ispica | 1,134.39 mi (1,825.62 km) |
| Saint-Nazaire to Istrana | 688.84 mi (1,108.58 km) |
| Saint-Nazaire to Itri | 879.84 mi (1,415.96 km) |
| Saint-Nazaire to Ittiri | 706.17 mi (1,136.47 km) |
