| Somero to Montemor-o-Novo | 2,040.80 mi (3,284.36 km) |
| Somero to Montemor-o-Velho | 1,965.67 mi (3,163.44 km) |
| Somero to Montijo | 2,058.25 mi (3,312.43 km) |
| Somero to Mortagua | 1,937.26 mi (3,117.71 km) |
| Somero to Moura | 2,049.93 mi (3,299.04 km) |
| Somero to Murtosa | 1,931.59 mi (3,108.59 km) |
| Somero to Nazare | 2,009.57 mi (3,234.09 km) |
| Somero to Nelas | 1,921.40 mi (3,092.19 km) |
| Somero to Obidos | 2,026.25 mi (3,260.94 km) |
| Somero to Odemira | 2,115.58 mi (3,404.70 km) |
| Somero to Odivelas | 2,059.98 mi (3,315.23 km) |
| Somero to Oeiras | 2,070.17 mi (3,331.62 km) |
| Somero to Olhao | 2,126.80 mi (3,422.75 km) |
| Somero to Oliveira de Azemeis | 1,920.85 mi (3,091.31 km) |
| Somero to Oliveira de Frades | 1,919.47 mi (3,089.09 km) |
