| Pen-y-Bont ar Ogwr to Idar-Oberstein | 492.90 mi (793.24 km) |
| Pen-y-Bont ar Ogwr to Idstein | 523.87 mi (843.08 km) |
| Pen-y-Bont ar Ogwr to Illertissen | 648.37 mi (1,043.46 km) |
| Pen-y-Bont ar Ogwr to Illingen | 489.89 mi (788.40 km) |
| Pen-y-Bont ar Ogwr to Ilmenau | 630.61 mi (1,014.87 km) |
| Pen-y-Bont ar Ogwr to Ilsede | 588.32 mi (946.81 km) |
| Pen-y-Bont ar Ogwr to Ilsenburg | 610.43 mi (982.39 km) |
| Pen-y-Bont ar Ogwr to Ilsfeld | 590.43 mi (950.21 km) |
| Pen-y-Bont ar Ogwr to Ilvesheim | 551.39 mi (887.37 km) |
| Pen-y-Bont ar Ogwr to Immenstadt im Allgau | 674.46 mi (1,085.43 km) |
| Pen-y-Bont ar Ogwr to Ingelheim | 519.03 mi (835.30 km) |
| Pen-y-Bont ar Ogwr to Ingolstadt | 689.58 mi (1,109.77 km) |
| Pen-y-Bont ar Ogwr to Iserlohn | 483.85 mi (778.68 km) |
| Pen-y-Bont ar Ogwr to Isernhagen-Sud | 574.63 mi (924.77 km) |
| Pen-y-Bont ar Ogwr to Ismaning | 714.46 mi (1,149.81 km) |
