| North Potomac to Juprelle | 3,913.20 mi (6,297.69 km) |
| North Potomac to Jurbise | 3,853.17 mi (6,201.08 km) |
| North Potomac to Kalmthout | 3,852.88 mi (6,200.61 km) |
| North Potomac to Kampenhout | 3,867.60 mi (6,224.30 km) |
| North Potomac to Kapelle-op-den-Bos | 3,858.27 mi (6,209.29 km) |
| North Potomac to Kapellen | 3,853.24 mi (6,201.20 km) |
| North Potomac to Kasterlee | 3,875.68 mi (6,237.30 km) |
| North Potomac to Keerbergen | 3,869.28 mi (6,227.00 km) |
| North Potomac to Kinrooi | 3,910.08 mi (6,292.66 km) |
| North Potomac to Knokke-Heist | 3,806.54 mi (6,126.03 km) |
| North Potomac to Koekelare | 3,800.36 mi (6,116.09 km) |
| North Potomac to Koekelberg | 3,860.79 mi (6,213.35 km) |
| North Potomac to Koksijde | 3,786.74 mi (6,094.17 km) |
| North Potomac to Kontich | 3,858.62 mi (6,209.85 km) |
| North Potomac to Kortemark | 3,804.50 mi (6,122.74 km) |
