| Prospect Heights to La Union | 4,417.00 mi (7,108.48 km) |
| Prospect Heights to La Victoria de Acentejo | 4,022.34 mi (6,473.32 km) |
| Prospect Heights to Laguna de Duero | 4,096.90 mi (6,593.33 km) |
| Prospect Heights to Lalin | 3,909.16 mi (6,291.19 km) |
| Prospect Heights to Lardero | 4,165.55 mi (6,703.81 km) |
| Prospect Heights to Laredo | 4,089.15 mi (6,580.85 km) |
| Prospect Heights to Las Cabezas de San Juan | 4,209.49 mi (6,774.52 km) |
| Prospect Heights to Las Palmas | 4,086.42 mi (6,576.46 km) |
| Prospect Heights to Las Rozas de Madrid | 4,173.78 mi (6,717.05 km) |
| Prospect Heights to Las Torres de Cotillas | 4,384.56 mi (7,056.27 km) |
| Prospect Heights to Lebrija | 4,205.44 mi (6,767.99 km) |
| Prospect Heights to Leganes | 4,184.63 mi (6,734.51 km) |
| Prospect Heights to Leon | 4,023.31 mi (6,474.88 km) |
| Prospect Heights to Lepe | 4,140.70 mi (6,663.81 km) |
| Prospect Heights to Linares | 4,274.13 mi (6,878.55 km) |
