| Clayton to Lagoa | 1,193.15 mi (1,920.19 km) |
| Clayton to Lagoa | 1,579.26 mi (2,541.58 km) |
| Clayton to Lagos | 1,198.07 mi (1,928.10 km) |
| Clayton to Lamego | 919.09 mi (1,479.13 km) |
| Clayton to Leiria | 1,023.14 mi (1,646.58 km) |
| Clayton to Lisbon | 1,096.35 mi (1,764.41 km) |
| Clayton to Loule | 1,186.50 mi (1,909.49 km) |
| Clayton to Loures | 1,089.43 mi (1,753.27 km) |
| Clayton to Lourinha | 1,064.96 mi (1,713.89 km) |
| Clayton to Lousa | 991.01 mi (1,594.88 km) |
| Clayton to Lousada | 912.11 mi (1,467.89 km) |
| Clayton to Macedo de Cavaleiros | 878.59 mi (1,413.95 km) |
| Clayton to Mafamude | 929.88 mi (1,496.50 km) |
| Clayton to Mafra | 1,084.79 mi (1,745.80 km) |
| Clayton to Maia | 922.31 mi (1,484.31 km) |
