| Perl to Montemor-o-Novo | 1,037.09 mi (1,669.04 km) |
| Perl to Montemor-o-Velho | 975.04 mi (1,569.18 km) |
| Perl to Montijo | 1,058.91 mi (1,704.14 km) |
| Perl to Mortagua | 945.33 mi (1,521.36 km) |
| Perl to Moura | 1,039.71 mi (1,673.26 km) |
| Perl to Murtosa | 945.30 mi (1,521.32 km) |
| Perl to Nazare | 1,017.47 mi (1,637.46 km) |
| Perl to Nelas | 927.26 mi (1,492.28 km) |
| Perl to Obidos | 1,033.06 mi (1,662.55 km) |
| Perl to Odemira | 1,108.96 mi (1,784.70 km) |
| Perl to Odivelas | 1,063.13 mi (1,710.94 km) |
| Perl to Oeiras | 1,073.55 mi (1,727.72 km) |
| Perl to Olhao | 1,114.26 mi (1,793.22 km) |
| Perl to Oliveira de Azemeis | 934.23 mi (1,503.50 km) |
| Perl to Oliveira de Frades | 929.47 mi (1,495.83 km) |
