| Sheldon to Montalegre | 786.28 mi (1,265.40 km) |
| Sheldon to Montemor-o-Novo | 1,002.27 mi (1,612.99 km) |
| Sheldon to Montemor-o-Velho | 909.61 mi (1,463.88 km) |
| Sheldon to Montijo | 1,010.63 mi (1,626.45 km) |
| Sheldon to Mortagua | 884.64 mi (1,423.70 km) |
| Sheldon to Moura | 1,026.23 mi (1,651.57 km) |
| Sheldon to Murtosa | 871.77 mi (1,402.97 km) |
| Sheldon to Nazare | 953.24 mi (1,534.09 km) |
| Sheldon to Nelas | 873.06 mi (1,405.05 km) |
| Sheldon to Obidos | 970.63 mi (1,562.07 km) |
| Sheldon to Odemira | 1,079.35 mi (1,737.05 km) |
| Sheldon to Odivelas | 1,008.20 mi (1,622.54 km) |
| Sheldon to Oeiras | 1,017.54 mi (1,637.56 km) |
| Sheldon to Olhao | 1,105.63 mi (1,779.34 km) |
| Sheldon to Oliveira de Azemeis | 862.07 mi (1,387.36 km) |
