| Romeoville to Lapua | 4,283.89 mi (6,894.25 km) |
| Romeoville to Laukaa | 4,380.38 mi (7,049.54 km) |
| Romeoville to Lauritsala | 4,498.51 mi (7,239.65 km) |
| Romeoville to Lempaala | 4,373.68 mi (7,038.75 km) |
| Romeoville to Leppavirta | 4,421.36 mi (7,115.49 km) |
| Romeoville to Lieksa | 4,434.98 mi (7,137.41 km) |
| Romeoville to Lieto | 4,374.92 mi (7,040.76 km) |
| Romeoville to Liminka | 4,262.50 mi (6,859.83 km) |
| Romeoville to Liperi | 4,457.16 mi (7,173.11 km) |
| Romeoville to Lohja | 4,428.69 mi (7,127.29 km) |
| Romeoville to Loimaa | 4,375.94 mi (7,042.39 km) |
| Romeoville to Loviisa | 4,475.72 mi (7,202.98 km) |
| Romeoville to Mantsala | 4,444.26 mi (7,152.34 km) |
| Romeoville to Mariehamn | 4,323.56 mi (6,958.10 km) |
| Romeoville to Masku | 4,362.57 mi (7,020.87 km) |
