| Romeoville to La Union | 4,440.36 mi (7,146.06 km) |
| Romeoville to La Victoria de Acentejo | 4,037.53 mi (6,497.78 km) |
| Romeoville to Laguna de Duero | 4,121.09 mi (6,632.26 km) |
| Romeoville to Lalin | 3,933.19 mi (6,329.86 km) |
| Romeoville to Lardero | 4,190.48 mi (6,743.93 km) |
| Romeoville to Laredo | 4,114.30 mi (6,621.33 km) |
| Romeoville to Las Cabezas de San Juan | 4,231.49 mi (6,809.92 km) |
| Romeoville to Las Palmas | 4,101.77 mi (6,601.16 km) |
| Romeoville to Las Rozas de Madrid | 4,197.68 mi (6,755.51 km) |
| Romeoville to Las Torres de Cotillas | 4,408.00 mi (7,093.99 km) |
| Romeoville to Lebrija | 4,227.38 mi (6,803.31 km) |
| Romeoville to Leganes | 4,208.48 mi (6,772.90 km) |
| Romeoville to Leon | 4,047.76 mi (6,514.24 km) |
| Romeoville to Lepe | 4,162.54 mi (6,698.96 km) |
| Romeoville to Linares | 4,297.09 mi (6,915.50 km) |
