| Syston to Montalegre | 813.89 mi (1,309.83 km) |
| Syston to Montemor-o-Novo | 1,028.85 mi (1,655.77 km) |
| Syston to Montemor-o-Velho | 937.35 mi (1,508.52 km) |
| Syston to Montijo | 1,037.92 mi (1,670.38 km) |
| Syston to Mortagua | 912.03 mi (1,467.77 km) |
| Syston to Moura | 1,051.78 mi (1,692.68 km) |
| Syston to Murtosa | 899.73 mi (1,447.97 km) |
| Syston to Nazare | 981.10 mi (1,578.93 km) |
| Syston to Nelas | 900.06 mi (1,448.50 km) |
| Syston to Obidos | 998.47 mi (1,606.88 km) |
| Syston to Odemira | 1,105.95 mi (1,779.86 km) |
| Syston to Odivelas | 1,035.82 mi (1,666.98 km) |
| Syston to Oeiras | 1,045.24 mi (1,682.15 km) |
| Syston to Olhao | 1,131.22 mi (1,820.52 km) |
| Syston to Oliveira de Azemeis | 889.91 mi (1,432.18 km) |
