| Diedorf to Montemor-o-Novo | 1,158.63 mi (1,864.63 km) |
| Diedorf to Montemor-o-Velho | 1,111.59 mi (1,788.93 km) |
| Diedorf to Montijo | 1,184.91 mi (1,906.93 km) |
| Diedorf to Mortagua | 1,081.57 mi (1,740.62 km) |
| Diedorf to Moura | 1,152.17 mi (1,854.25 km) |
| Diedorf to Murtosa | 1,086.33 mi (1,748.28 km) |
| Diedorf to Nazare | 1,151.59 mi (1,853.30 km) |
| Diedorf to Nelas | 1,061.98 mi (1,709.09 km) |
| Diedorf to Obidos | 1,165.78 mi (1,876.14 km) |
| Diedorf to Odemira | 1,225.13 mi (1,971.66 km) |
| Diedorf to Odivelas | 1,191.60 mi (1,917.70 km) |
| Diedorf to Oeiras | 1,202.01 mi (1,934.45 km) |
| Diedorf to Olhao | 1,221.19 mi (1,965.31 km) |
| Diedorf to Oliveira de Azemeis | 1,075.31 mi (1,730.55 km) |
| Diedorf to Oliveira de Frades | 1,067.86 mi (1,718.56 km) |
