| Prospect Heights to Lichtenau | 4,277.82 mi (6,884.48 km) |
| Prospect Heights to Lichtenfels | 4,412.38 mi (7,101.04 km) |
| Prospect Heights to Lichtenstein | 4,444.47 mi (7,152.69 km) |
| Prospect Heights to Lienen | 4,224.73 mi (6,799.05 km) |
| Prospect Heights to Limbach-Oberfrohna | 4,444.17 mi (7,152.20 km) |
| Prospect Heights to Limburg | 4,294.46 mi (6,911.26 km) |
| Prospect Heights to Limburgerhof | 4,343.37 mi (6,989.98 km) |
| Prospect Heights to Lindau | 4,465.91 mi (7,187.19 km) |
| Prospect Heights to Lindenberg im Allgau | 4,471.95 mi (7,196.90 km) |
| Prospect Heights to Lindlar | 4,245.51 mi (6,832.48 km) |
| Prospect Heights to Lingen | 4,187.59 mi (6,739.28 km) |
| Prospect Heights to Linkenheim-Hochstetten | 4,355.52 mi (7,009.53 km) |
| Prospect Heights to Linnich | 4,205.96 mi (6,768.85 km) |
| Prospect Heights to Lippstadt | 4,256.16 mi (6,849.62 km) |
| Prospect Heights to Lobau | 4,501.80 mi (7,244.95 km) |
