| Llantwit Major to Imola | 853.48 mi (1,373.54 km) |
| Llantwit Major to Impruneta | 866.99 mi (1,395.29 km) |
| Llantwit Major to Induno Olona | 679.28 mi (1,093.20 km) |
| Llantwit Major to Inverigo | 698.73 mi (1,124.50 km) |
| Llantwit Major to Inveruno | 694.57 mi (1,117.81 km) |
| Llantwit Major to Inzago | 717.43 mi (1,154.59 km) |
| Llantwit Major to Iseo | 733.68 mi (1,180.74 km) |
| Llantwit Major to Isernia | 1,076.12 mi (1,731.85 km) |
| Llantwit Major to Isola Capo Rizzuto | 1,312.18 mi (2,111.75 km) |
| Llantwit Major to Isola del Liri | 1,048.15 mi (1,686.84 km) |
| Llantwit Major to Isola della Scala | 786.83 mi (1,266.27 km) |
| Llantwit Major to Isola Vicentina | 788.83 mi (1,269.49 km) |
| Llantwit Major to Ispica | 1,353.31 mi (2,177.94 km) |
| Llantwit Major to Istrana | 812.47 mi (1,307.55 km) |
| Llantwit Major to Itri | 1,066.49 mi (1,716.35 km) |
