| Duncan to Juprelle | 4,939.29 mi (7,949.03 km) |
| Duncan to Jurbise | 4,886.41 mi (7,863.91 km) |
| Duncan to Kalmthout | 4,875.63 mi (7,846.56 km) |
| Duncan to Kampenhout | 4,894.66 mi (7,877.20 km) |
| Duncan to Kapelle-op-den-Bos | 4,885.16 mi (7,861.90 km) |
| Duncan to Kapellen | 4,876.80 mi (7,848.45 km) |
| Duncan to Kasterlee | 4,898.23 mi (7,882.94 km) |
| Duncan to Keerbergen | 4,895.44 mi (7,878.45 km) |
| Duncan to Kinrooi | 4,931.07 mi (7,935.80 km) |
| Duncan to Knokke-Heist | 4,833.52 mi (7,778.80 km) |
| Duncan to Koekelare | 4,830.92 mi (7,774.62 km) |
| Duncan to Koekelberg | 4,889.33 mi (7,868.62 km) |
| Duncan to Koksijde | 4,818.24 mi (7,754.20 km) |
| Duncan to Kontich | 4,884.03 mi (7,860.09 km) |
| Duncan to Kortemark | 4,835.50 mi (7,781.98 km) |
