| Cascais to Juprelle | 1,104.06 mi (1,776.82 km) |
| Cascais to Jurbise | 1,045.27 mi (1,682.20 km) |
| Cascais to Kalmthout | 1,103.95 mi (1,776.63 km) |
| Cascais to Kampenhout | 1,084.27 mi (1,744.96 km) |
| Cascais to Kapelle-op-den-Bos | 1,082.52 mi (1,742.14 km) |
| Cascais to Kapellen | 1,099.60 mi (1,769.63 km) |
| Cascais to Kasterlee | 1,111.67 mi (1,789.06 km) |
| Cascais to Keerbergen | 1,089.80 mi (1,753.86 km) |
| Cascais to Kinrooi | 1,130.92 mi (1,820.04 km) |
| Cascais to Knokke-Heist | 1,068.06 mi (1,718.88 km) |
| Cascais to Koekelare | 1,046.26 mi (1,683.79 km) |
| Cascais to Koekelberg | 1,074.01 mi (1,728.46 km) |
| Cascais to Koksijde | 1,037.65 mi (1,669.94 km) |
| Cascais to Kontich | 1,090.85 mi (1,755.55 km) |
| Cascais to Kortemark | 1,044.77 mi (1,681.40 km) |
