| Key West to Juprelle | 4,807.97 mi (7,737.69 km) |
| Key West to Jurbise | 4,742.83 mi (7,632.85 km) |
| Key West to Kalmthout | 4,752.05 mi (7,647.69 km) |
| Key West to Kampenhout | 4,762.58 mi (7,664.63 km) |
| Key West to Kapelle-op-den-Bos | 4,753.64 mi (7,650.24 km) |
| Key West to Kapellen | 4,751.70 mi (7,647.12 km) |
| Key West to Kasterlee | 4,774.49 mi (7,683.80 km) |
| Key West to Keerbergen | 4,765.04 mi (7,668.58 km) |
| Key West to Kinrooi | 4,809.45 mi (7,740.05 km) |
| Key West to Knokke-Heist | 4,703.05 mi (7,568.84 km) |
| Key West to Koekelare | 4,693.78 mi (7,553.91 km) |
| Key West to Koekelberg | 4,754.60 mi (7,651.79 km) |
| Key West to Koksijde | 4,679.63 mi (7,531.14 km) |
| Key West to Kontich | 4,755.30 mi (7,652.92 km) |
| Key West to Kortemark | 4,697.41 mi (7,559.75 km) |
