| Argos to Montemor-o-Novo | 1,674.68 mi (2,695.14 km) |
| Argos to Montemor-o-Velho | 1,688.95 mi (2,718.10 km) |
| Argos to Montijo | 1,710.94 mi (2,753.49 km) |
| Argos to Mortagua | 1,664.07 mi (2,678.06 km) |
| Argos to Moura | 1,638.35 mi (2,636.68 km) |
| Argos to Murtosa | 1,683.89 mi (2,709.96 km) |
| Argos to Nazare | 1,712.56 mi (2,756.10 km) |
| Argos to Nelas | 1,643.64 mi (2,645.18 km) |
| Argos to Obidos | 1,719.11 mi (2,766.64 km) |
| Argos to Odemira | 1,708.05 mi (2,748.84 km) |
| Argos to Odivelas | 1,724.92 mi (2,776.00 km) |
| Argos to Oeiras | 1,733.21 mi (2,789.34 km) |
| Argos to Olhao | 1,672.07 mi (2,690.94 km) |
| Argos to Oliveira de Azemeis | 1,675.26 mi (2,696.07 km) |
| Argos to Oliveira de Frades | 1,660.41 mi (2,672.17 km) |
