| Romanshorn to Lagoa | 1,155.47 mi (1,859.54 km) |
| Romanshorn to Lagoa | 1,881.20 mi (3,027.51 km) |
| Romanshorn to Lagos | 1,165.75 mi (1,876.09 km) |
| Romanshorn to Lamego | 955.82 mi (1,538.25 km) |
| Romanshorn to Leiria | 1,052.20 mi (1,693.36 km) |
| Romanshorn to Lisbon | 1,110.62 mi (1,787.37 km) |
| Romanshorn to Loule | 1,136.96 mi (1,829.77 km) |
| Romanshorn to Loures | 1,106.61 mi (1,780.91 km) |
| Romanshorn to Lourinha | 1,095.05 mi (1,762.31 km) |
| Romanshorn to Lousa | 1,013.75 mi (1,631.47 km) |
| Romanshorn to Lousada | 967.05 mi (1,556.32 km) |
| Romanshorn to Macedo de Cavaleiros | 902.37 mi (1,452.23 km) |
| Romanshorn to Mafamude | 989.86 mi (1,593.02 km) |
| Romanshorn to Mafra | 1,108.87 mi (1,784.55 km) |
| Romanshorn to Maia | 986.04 mi (1,586.88 km) |
