| Prospect Heights to Juprelle | 4,188.36 mi (6,740.52 km) |
| Prospect Heights to Jurbise | 4,135.09 mi (6,654.78 km) |
| Prospect Heights to Kalmthout | 4,124.85 mi (6,638.30 km) |
| Prospect Heights to Kampenhout | 4,143.65 mi (6,668.55 km) |
| Prospect Heights to Kapelle-op-den-Bos | 4,134.14 mi (6,653.26 km) |
| Prospect Heights to Kapellen | 4,125.97 mi (6,640.11 km) |
| Prospect Heights to Kasterlee | 4,147.48 mi (6,674.72 km) |
| Prospect Heights to Keerbergen | 4,144.47 mi (6,669.89 km) |
| Prospect Heights to Kinrooi | 4,180.45 mi (6,727.79 km) |
| Prospect Heights to Knokke-Heist | 4,082.46 mi (6,570.09 km) |
| Prospect Heights to Koekelare | 4,079.69 mi (6,565.62 km) |
| Prospect Heights to Koekelberg | 4,138.23 mi (6,659.84 km) |
| Prospect Heights to Koksijde | 4,066.95 mi (6,545.13 km) |
| Prospect Heights to Kontich | 4,133.10 mi (6,651.58 km) |
| Prospect Heights to Kortemark | 4,084.25 mi (6,572.96 km) |
