| Llantwit Major to Idar-Oberstein | 487.30 mi (784.23 km) |
| Llantwit Major to Idstein | 518.84 mi (835.00 km) |
| Llantwit Major to Illertissen | 642.27 mi (1,033.64 km) |
| Llantwit Major to Illingen | 483.98 mi (778.89 km) |
| Llantwit Major to Ilmenau | 626.26 mi (1,007.87 km) |
| Llantwit Major to Ilsede | 585.26 mi (941.88 km) |
| Llantwit Major to Ilsenburg | 607.02 mi (976.90 km) |
| Llantwit Major to Ilsfeld | 584.69 mi (940.96 km) |
| Llantwit Major to Ilvesheim | 545.82 mi (878.41 km) |
| Llantwit Major to Immenstadt im Allgau | 668.05 mi (1,075.12 km) |
| Llantwit Major to Ingelheim | 513.77 mi (826.84 km) |
| Llantwit Major to Ingolstadt | 684.00 mi (1,100.79 km) |
| Llantwit Major to Iserlohn | 479.87 mi (772.27 km) |
| Llantwit Major to Isernhagen-Sud | 571.73 mi (920.10 km) |
| Llantwit Major to Ismaning | 708.62 mi (1,140.41 km) |
