| Wallingford Center to Montalegre | 3,273.08 mi (5,267.52 km) |
| Wallingford Center to Montemor-o-Novo | 3,341.06 mi (5,376.92 km) |
| Wallingford Center to Montemor-o-Velho | 3,275.19 mi (5,270.91 km) |
| Wallingford Center to Montijo | 3,306.66 mi (5,321.56 km) |
| Wallingford Center to Mortagua | 3,289.55 mi (5,294.02 km) |
| Wallingford Center to Moura | 3,393.87 mi (5,461.91 km) |
| Wallingford Center to Murtosa | 3,262.06 mi (5,249.78 km) |
| Wallingford Center to Nazare | 3,272.39 mi (5,266.40 km) |
| Wallingford Center to Nelas | 3,305.71 mi (5,320.02 km) |
| Wallingford Center to Obidos | 3,274.76 mi (5,270.22 km) |
| Wallingford Center to Odemira | 3,352.21 mi (5,394.86 km) |
| Wallingford Center to Odivelas | 3,289.88 mi (5,294.54 km) |
| Wallingford Center to Oeiras | 3,286.24 mi (5,288.70 km) |
| Wallingford Center to Olhao | 3,408.25 mi (5,485.05 km) |
| Wallingford Center to Oliveira de Azemeis | 3,266.78 mi (5,257.38 km) |
