| Robstown to Montalegre | 4,960.84 mi (7,983.70 km) |
| Robstown to Montemor-o-Novo | 5,021.19 mi (8,080.83 km) |
| Robstown to Montemor-o-Velho | 4,959.25 mi (7,981.14 km) |
| Robstown to Montijo | 4,986.13 mi (8,024.40 km) |
| Robstown to Mortagua | 4,974.58 mi (8,005.81 km) |
| Robstown to Moura | 5,073.17 mi (8,164.48 km) |
| Robstown to Murtosa | 4,947.48 mi (7,962.20 km) |
| Robstown to Nazare | 4,954.58 mi (7,973.63 km) |
| Robstown to Nelas | 4,991.18 mi (8,032.53 km) |
| Robstown to Obidos | 4,956.14 mi (7,976.14 km) |
| Robstown to Odemira | 5,027.97 mi (8,091.74 km) |
| Robstown to Odivelas | 4,969.39 mi (7,997.47 km) |
| Robstown to Oeiras | 4,965.23 mi (7,990.77 km) |
| Robstown to Olhao | 5,082.92 mi (8,180.17 km) |
| Robstown to Oliveira de Azemeis | 4,952.52 mi (7,970.31 km) |
