| Southborough to Juprelle | 231.35 mi (372.33 km) |
| Southborough to Jurbise | 165.75 mi (266.75 km) |
| Southborough to Kalmthout | 182.25 mi (293.30 km) |
| Southborough to Kampenhout | 186.68 mi (300.42 km) |
| Southborough to Kapelle-op-den-Bos | 178.25 mi (286.87 km) |
| Southborough to Kapellen | 180.61 mi (290.66 km) |
| Southborough to Kasterlee | 202.86 mi (326.48 km) |
| Southborough to Keerbergen | 189.78 mi (305.43 km) |
| Southborough to Kinrooi | 237.23 mi (381.79 km) |
| Southborough to Knokke-Heist | 131.27 mi (211.26 km) |
| Southborough to Koekelare | 117.83 mi (189.63 km) |
| Southborough to Koekelberg | 177.97 mi (286.42 km) |
| Southborough to Koksijde | 103.48 mi (166.54 km) |
| Southborough to Kontich | 181.37 mi (291.89 km) |
| Southborough to Kortemark | 120.93 mi (194.62 km) |
