| Sirvintos to Montemor-o-Novo | 1,905.41 mi (3,066.47 km) |
| Sirvintos to Montemor-o-Velho | 1,846.97 mi (2,972.41 km) |
| Sirvintos to Montijo | 1,928.79 mi (3,104.08 km) |
| Sirvintos to Mortagua | 1,817.18 mi (2,924.47 km) |
| Sirvintos to Moura | 1,904.03 mi (3,064.25 km) |
| Sirvintos to Murtosa | 1,817.57 mi (2,925.09 km) |
| Sirvintos to Nazare | 1,889.12 mi (3,040.25 km) |
| Sirvintos to Nelas | 1,798.85 mi (2,894.97 km) |
| Sirvintos to Obidos | 1,904.50 mi (3,065.00 km) |
| Sirvintos to Odemira | 1,975.29 mi (3,178.93 km) |
| Sirvintos to Odivelas | 1,933.70 mi (3,111.99 km) |
| Sirvintos to Oeiras | 1,944.15 mi (3,128.80 km) |
| Sirvintos to Olhao | 1,975.81 mi (3,179.75 km) |
| Sirvintos to Oliveira de Azemeis | 1,806.49 mi (2,907.27 km) |
| Sirvintos to Oliveira de Frades | 1,801.54 mi (2,899.30 km) |
