| Gujan-Mestras to Impruneta | 613.45 mi (987.26 km) |
| Gujan-Mestras to Induno Olona | 488.53 mi (786.22 km) |
| Gujan-Mestras to Inverigo | 506.12 mi (814.53 km) |
| Gujan-Mestras to Inveruno | 487.33 mi (784.29 km) |
| Gujan-Mestras to Inzago | 518.00 mi (833.65 km) |
| Gujan-Mestras to Iseo | 546.03 mi (878.74 km) |
| Gujan-Mestras to Isernia | 798.55 mi (1,285.13 km) |
| Gujan-Mestras to Isola Capo Rizzuto | 1,011.63 mi (1,628.06 km) |
| Gujan-Mestras to Isola del Liri | 764.42 mi (1,230.22 km) |
| Gujan-Mestras to Isola della Scala | 591.60 mi (952.09 km) |
| Gujan-Mestras to Isola Vicentina | 613.32 mi (987.04 km) |
| Gujan-Mestras to Ispica | 994.11 mi (1,599.86 km) |
| Gujan-Mestras to Istrana | 644.80 mi (1,037.71 km) |
| Gujan-Mestras to Itri | 772.49 mi (1,243.21 km) |
| Gujan-Mestras to Ittiri | 563.10 mi (906.22 km) |
