| Ano Syros to Montemor-o-Novo | 1,793.96 mi (2,887.10 km) |
| Ano Syros to Montemor-o-Velho | 1,807.06 mi (2,908.18 km) |
| Ano Syros to Montijo | 1,830.15 mi (2,945.35 km) |
| Ano Syros to Mortagua | 1,781.95 mi (2,867.78 km) |
| Ano Syros to Moura | 1,757.96 mi (2,829.16 km) |
| Ano Syros to Murtosa | 1,801.46 mi (2,899.16 km) |
| Ano Syros to Nazare | 1,831.12 mi (2,946.91 km) |
| Ano Syros to Nelas | 1,761.46 mi (2,834.79 km) |
| Ano Syros to Obidos | 1,837.86 mi (2,957.74 km) |
| Ano Syros to Odemira | 1,827.83 mi (2,941.61 km) |
| Ano Syros to Odivelas | 1,844.05 mi (2,967.72 km) |
| Ano Syros to Oeiras | 1,852.40 mi (2,981.15 km) |
| Ano Syros to Olhao | 1,792.07 mi (2,884.06 km) |
| Ano Syros to Oliveira de Azemeis | 1,792.73 mi (2,885.11 km) |
| Ano Syros to Oliveira de Frades | 1,778.02 mi (2,861.44 km) |
