| Portishead to Isny im Allgau | 629.33 mi (1,012.81 km) |
| Portishead to Isselburg | 396.05 mi (637.39 km) |
| Portishead to Issum | 394.77 mi (635.33 km) |
| Portishead to Itzehoe | 540.21 mi (869.38 km) |
| Portishead to Jena | 621.33 mi (999.93 km) |
| Portishead to Jever | 470.38 mi (757.01 km) |
| Portishead to Jork | 541.36 mi (871.24 km) |
| Portishead to Juchen | 400.89 mi (645.17 km) |
| Portishead to Julich | 396.50 mi (638.10 km) |
| Portishead to Juterbog | 677.10 mi (1,089.69 km) |
| Portishead to Kaarst | 404.89 mi (651.60 km) |
| Portishead to Kaiserslautern | 483.65 mi (778.37 km) |
| Portishead to Kalkar | 388.67 mi (625.50 km) |
| Portishead to Kall | 409.59 mi (659.18 km) |
| Portishead to Kaltenkirchen | 556.58 mi (895.72 km) |
