| Prospect Heights to Kortenberg | 4,145.11 mi (6,670.91 km) |
| Prospect Heights to Kortrijk | 4,099.41 mi (6,597.37 km) |
| Prospect Heights to Kraainem | 4,143.03 mi (6,667.57 km) |
| Prospect Heights to Kruibeke | 4,126.33 mi (6,640.69 km) |
| Prospect Heights to Kuurne | 4,099.49 mi (6,597.49 km) |
| Prospect Heights to La Bruyere | 4,168.84 mi (6,709.11 km) |
| Prospect Heights to La Calamine | 4,206.30 mi (6,769.39 km) |
| Prospect Heights to La Louviere | 4,146.87 mi (6,673.75 km) |
| Prospect Heights to Laarne | 4,114.85 mi (6,622.22 km) |
| Prospect Heights to Laeken | 4,138.68 mi (6,660.56 km) |
| Prospect Heights to Lanaken | 4,186.29 mi (6,737.18 km) |
| Prospect Heights to Landen | 4,170.17 mi (6,711.23 km) |
| Prospect Heights to Lebbeke | 4,125.41 mi (6,639.20 km) |
| Prospect Heights to Lede | 4,121.60 mi (6,633.08 km) |
| Prospect Heights to Ledegem | 4,093.45 mi (6,587.77 km) |
