| Metuchen to Montalegre | 3,372.14 mi (5,426.93 km) |
| Metuchen to Montemor-o-Novo | 3,438.14 mi (5,533.15 km) |
| Metuchen to Montemor-o-Velho | 3,373.14 mi (5,428.54 km) |
| Metuchen to Montijo | 3,403.60 mi (5,477.56 km) |
| Metuchen to Mortagua | 3,387.75 mi (5,452.05 km) |
| Metuchen to Moura | 3,490.80 mi (5,617.89 km) |
| Metuchen to Murtosa | 3,360.36 mi (5,407.98 km) |
| Metuchen to Nazare | 3,369.89 mi (5,423.32 km) |
| Metuchen to Nelas | 3,404.02 mi (5,478.25 km) |
| Metuchen to Obidos | 3,372.09 mi (5,426.85 km) |
| Metuchen to Odemira | 3,448.45 mi (5,549.75 km) |
| Metuchen to Odivelas | 3,386.82 mi (5,450.56 km) |
| Metuchen to Oeiras | 3,383.08 mi (5,444.54 km) |
| Metuchen to Olhao | 3,504.32 mi (5,639.65 km) |
| Metuchen to Oliveira de Azemeis | 3,365.17 mi (5,415.72 km) |
