| Cascais to Isny im Allgau | 1,155.37 mi (1,859.38 km) |
| Cascais to Isselburg | 1,186.34 mi (1,909.24 km) |
| Cascais to Issum | 1,171.05 mi (1,884.62 km) |
| Cascais to Itzehoe | 1,377.85 mi (2,217.43 km) |
| Cascais to Jena | 1,323.48 mi (2,129.94 km) |
| Cascais to Jever | 1,313.18 mi (2,113.36 km) |
| Cascais to Jork | 1,365.02 mi (2,196.80 km) |
| Cascais to Juchen | 1,153.13 mi (1,855.78 km) |
| Cascais to Julich | 1,140.25 mi (1,835.05 km) |
| Cascais to Juterbog | 1,416.56 mi (2,279.73 km) |
| Cascais to Kaarst | 1,162.17 mi (1,870.33 km) |
| Cascais to Kaiserslautern | 1,126.12 mi (1,812.31 km) |
| Cascais to Kalkar | 1,176.47 mi (1,893.34 km) |
| Cascais to Kall | 1,129.68 mi (1,818.04 km) |
| Cascais to Kaltenkirchen | 1,387.47 mi (2,232.91 km) |
