| Gadsden to Montalegre | 4,149.97 mi (6,678.73 km) |
| Gadsden to Montemor-o-Novo | 4,208.63 mi (6,773.13 km) |
| Gadsden to Montemor-o-Velho | 4,147.05 mi (6,674.03 km) |
| Gadsden to Montijo | 4,173.55 mi (6,716.68 km) |
| Gadsden to Mortagua | 4,162.58 mi (6,699.02 km) |
| Gadsden to Moura | 4,260.59 mi (6,856.76 km) |
| Gadsden to Murtosa | 4,135.58 mi (6,655.57 km) |
| Gadsden to Nazare | 4,142.14 mi (6,666.13 km) |
| Gadsden to Nelas | 4,179.29 mi (6,725.92 km) |
| Gadsden to Obidos | 4,143.64 mi (6,668.54 km) |
| Gadsden to Odemira | 4,215.48 mi (6,784.16 km) |
| Gadsden to Odivelas | 4,156.82 mi (6,689.75 km) |
| Gadsden to Oeiras | 4,152.65 mi (6,683.05 km) |
| Gadsden to Olhao | 4,270.50 mi (6,872.71 km) |
| Gadsden to Oliveira de Azemeis | 4,140.72 mi (6,663.84 km) |
