| Castellammare di Stabia to Juprelle | 814.67 mi (1,311.08 km) |
| Castellammare di Stabia to Jurbise | 847.89 mi (1,364.55 km) |
| Castellammare di Stabia to Kalmthout | 879.16 mi (1,414.87 km) |
| Castellammare di Stabia to Kampenhout | 852.68 mi (1,372.25 km) |
| Castellammare di Stabia to Kapelle-op-den-Bos | 861.67 mi (1,386.73 km) |
| Castellammare di Stabia to Kapellen | 876.35 mi (1,410.35 km) |
| Castellammare di Stabia to Kasterlee | 859.40 mi (1,383.07 km) |
| Castellammare di Stabia to Keerbergen | 853.90 mi (1,374.23 km) |
| Castellammare di Stabia to Kinrooi | 834.02 mi (1,342.23 km) |
| Castellammare di Stabia to Knokke-Heist | 908.62 mi (1,462.28 km) |
| Castellammare di Stabia to Koekelare | 904.28 mi (1,455.30 km) |
| Castellammare di Stabia to Koekelberg | 854.44 mi (1,375.10 km) |
| Castellammare di Stabia to Koksijde | 914.41 mi (1,471.60 km) |
| Castellammare di Stabia to Kontich | 865.83 mi (1,393.41 km) |
| Castellammare di Stabia to Kortemark | 899.23 mi (1,447.17 km) |
