| Tonypandy to Isny im Allgau | 660.41 mi (1,062.82 km) |
| Tonypandy to Isselburg | 424.37 mi (682.96 km) |
| Tonypandy to Issum | 423.70 mi (681.87 km) |
| Tonypandy to Itzehoe | 563.98 mi (907.64 km) |
| Tonypandy to Jena | 650.58 mi (1,047.01 km) |
| Tonypandy to Jever | 494.53 mi (795.86 km) |
| Tonypandy to Jork | 566.11 mi (911.07 km) |
| Tonypandy to Juchen | 430.56 mi (692.92 km) |
| Tonypandy to Julich | 426.45 mi (686.30 km) |
| Tonypandy to Juterbog | 704.86 mi (1,134.36 km) |
| Tonypandy to Kaarst | 434.36 mi (699.03 km) |
| Tonypandy to Kaiserslautern | 514.61 mi (828.19 km) |
| Tonypandy to Kalkar | 417.20 mi (671.41 km) |
| Tonypandy to Kall | 439.97 mi (708.06 km) |
| Tonypandy to Kaltenkirchen | 580.68 mi (934.52 km) |
