| Tallaght to Montemor-o-Novo | 1,015.27 mi (1,633.92 km) |
| Tallaght to Montemor-o-Velho | 913.18 mi (1,469.61 km) |
| Tallaght to Montijo | 1,016.32 mi (1,635.60 km) |
| Tallaght to Mortagua | 892.54 mi (1,436.41 km) |
| Tallaght to Moura | 1,048.42 mi (1,687.28 km) |
| Tallaght to Murtosa | 873.97 mi (1,406.52 km) |
| Tallaght to Nazare | 954.37 mi (1,535.90 km) |
| Tallaght to Nelas | 885.21 mi (1,424.61 km) |
| Tallaght to Obidos | 971.54 mi (1,563.54 km) |
| Tallaght to Odemira | 1,090.58 mi (1,755.12 km) |
| Tallaght to Odivelas | 1,010.63 mi (1,626.46 km) |
| Tallaght to Oeiras | 1,018.85 mi (1,639.69 km) |
| Tallaght to Olhao | 1,125.90 mi (1,811.96 km) |
| Tallaght to Oliveira de Azemeis | 865.77 mi (1,393.32 km) |
| Tallaght to Oliveira de Frades | 872.81 mi (1,404.65 km) |
