| The Mumbles to Isny im Allgau | 681.67 mi (1,097.04 km) |
| The Mumbles to Isselburg | 448.12 mi (721.18 km) |
| The Mumbles to Issum | 447.38 mi (719.98 km) |
| The Mumbles to Itzehoe | 587.12 mi (944.88 km) |
| The Mumbles to Jena | 674.21 mi (1,085.03 km) |
| The Mumbles to Jever | 517.78 mi (833.28 km) |
| The Mumbles to Jork | 589.49 mi (948.69 km) |
| The Mumbles to Juchen | 454.05 mi (730.72 km) |
| The Mumbles to Julich | 449.82 mi (723.92 km) |
| The Mumbles to Juterbog | 728.62 mi (1,172.60 km) |
| The Mumbles to Kaarst | 457.92 mi (736.95 km) |
| The Mumbles to Kaiserslautern | 536.92 mi (864.09 km) |
| The Mumbles to Kalkar | 440.93 mi (709.61 km) |
| The Mumbles to Kall | 463.08 mi (745.26 km) |
| The Mumbles to Kaltenkirchen | 603.91 mi (971.89 km) |
