| Castellammare del Golfo to Juprelle | 947.79 mi (1,525.32 km) |
| Castellammare del Golfo to Jurbise | 969.24 mi (1,559.84 km) |
| Castellammare del Golfo to Kalmthout | 1,009.56 mi (1,624.73 km) |
| Castellammare del Golfo to Kampenhout | 980.80 mi (1,578.45 km) |
| Castellammare del Golfo to Kapelle-op-den-Bos | 989.13 mi (1,591.86 km) |
| Castellammare del Golfo to Kapellen | 1,006.13 mi (1,619.21 km) |
| Castellammare del Golfo to Kasterlee | 991.98 mi (1,596.44 km) |
| Castellammare del Golfo to Keerbergen | 982.95 mi (1,581.90 km) |
| Castellammare del Golfo to Kinrooi | 971.00 mi (1,562.67 km) |
| Castellammare del Golfo to Knokke-Heist | 1,031.64 mi (1,660.26 km) |
| Castellammare del Golfo to Koekelare | 1,023.72 mi (1,647.52 km) |
| Castellammare del Golfo to Koekelberg | 980.70 mi (1,578.29 km) |
| Castellammare del Golfo to Koksijde | 1,031.96 mi (1,660.78 km) |
| Castellammare del Golfo to Kontich | 994.56 mi (1,600.59 km) |
| Castellammare del Golfo to Kortemark | 1,018.62 mi (1,639.30 km) |
