| Pen-y-Bont ar Ogwr to Isny im Allgau | 663.06 mi (1,067.09 km) |
| Pen-y-Bont ar Ogwr to Isselburg | 430.69 mi (693.12 km) |
| Pen-y-Bont ar Ogwr to Issum | 429.65 mi (691.46 km) |
| Pen-y-Bont ar Ogwr to Itzehoe | 572.00 mi (920.55 km) |
| Pen-y-Bont ar Ogwr to Jena | 656.33 mi (1,056.26 km) |
| Pen-y-Bont ar Ogwr to Jever | 502.44 mi (808.60 km) |
| Pen-y-Bont ar Ogwr to Jork | 573.87 mi (923.55 km) |
| Pen-y-Bont ar Ogwr to Juchen | 435.98 mi (701.64 km) |
| Pen-y-Bont ar Ogwr to Julich | 431.62 mi (694.63 km) |
| Pen-y-Bont ar Ogwr to Juterbog | 711.49 mi (1,145.03 km) |
| Pen-y-Bont ar Ogwr to Kaarst | 439.94 mi (708.01 km) |
| Pen-y-Bont ar Ogwr to Kaiserslautern | 518.30 mi (834.12 km) |
| Pen-y-Bont ar Ogwr to Kalkar | 423.39 mi (681.39 km) |
| Pen-y-Bont ar Ogwr to Kall | 444.69 mi (715.66 km) |
| Pen-y-Bont ar Ogwr to Kaltenkirchen | 588.62 mi (947.29 km) |
