| Spencer to Juprelle | 4,398.61 mi (7,078.87 km) |
| Spencer to Jurbise | 4,349.71 mi (7,000.19 km) |
| Spencer to Kalmthout | 4,333.98 mi (6,974.87 km) |
| Spencer to Kampenhout | 4,354.87 mi (7,008.49 km) |
| Spencer to Kapelle-op-den-Bos | 4,345.38 mi (6,993.21 km) |
| Spencer to Kapellen | 4,335.52 mi (6,977.34 km) |
| Spencer to Kasterlee | 4,356.27 mi (7,010.74 km) |
| Spencer to Keerbergen | 4,355.21 mi (7,009.04 km) |
| Spencer to Kinrooi | 4,388.07 mi (7,061.92 km) |
| Spencer to Knokke-Heist | 4,294.30 mi (6,911.01 km) |
| Spencer to Koekelare | 4,293.47 mi (6,909.67 km) |
| Spencer to Koekelberg | 4,350.30 mi (7,001.14 km) |
| Spencer to Koksijde | 4,281.37 mi (6,890.20 km) |
| Spencer to Kontich | 4,343.56 mi (6,990.28 km) |
| Spencer to Kortemark | 4,298.21 mi (6,917.30 km) |
