| Tarcento to Montemor-o-Novo | 1,206.44 mi (1,941.58 km) |
| Tarcento to Montemor-o-Velho | 1,175.01 mi (1,891.00 km) |
| Tarcento to Montijo | 1,236.37 mi (1,989.75 km) |
| Tarcento to Mortagua | 1,145.44 mi (1,843.42 km) |
| Tarcento to Moura | 1,191.58 mi (1,917.66 km) |
| Tarcento to Murtosa | 1,154.75 mi (1,858.39 km) |
| Tarcento to Nazare | 1,211.67 mi (1,950.00 km) |
| Tarcento to Nelas | 1,124.91 mi (1,810.38 km) |
| Tarcento to Obidos | 1,224.19 mi (1,970.14 km) |
| Tarcento to Odemira | 1,266.27 mi (2,037.87 km) |
| Tarcento to Odivelas | 1,245.29 mi (2,004.10 km) |
| Tarcento to Oeiras | 1,255.46 mi (2,020.46 km) |
| Tarcento to Olhao | 1,253.70 mi (2,017.63 km) |
| Tarcento to Oliveira de Azemeis | 1,144.06 mi (1,841.18 km) |
| Tarcento to Oliveira de Frades | 1,134.19 mi (1,825.30 km) |
