| Romeoville to Lagoa | 4,108.46 mi (6,611.93 km) |
| Romeoville to Lagoa | 3,261.12 mi (5,248.26 km) |
| Romeoville to Lagos | 4,099.07 mi (6,596.82 km) |
| Romeoville to Lamego | 3,998.97 mi (6,435.72 km) |
| Romeoville to Leiria | 4,000.01 mi (6,437.40 km) |
| Romeoville to Lisbon | 4,019.31 mi (6,468.45 km) |
| Romeoville to Loule | 4,129.00 mi (6,644.98 km) |
| Romeoville to Loures | 4,014.77 mi (6,461.15 km) |
| Romeoville to Lourinha | 3,994.72 mi (6,428.88 km) |
| Romeoville to Lousa | 4,012.94 mi (6,458.20 km) |
| Romeoville to Lousada | 3,972.74 mi (6,393.51 km) |
| Romeoville to Macedo de Cavaleiros | 4,022.32 mi (6,473.30 km) |
| Romeoville to Mafamude | 3,962.48 mi (6,377.00 km) |
| Romeoville to Mafra | 4,003.35 mi (6,442.76 km) |
| Romeoville to Maia | 3,957.91 mi (6,369.64 km) |
