| Panama City to Montalegre | 4,274.96 mi (6,879.89 km) |
| Panama City to Montemor-o-Novo | 4,319.02 mi (6,950.80 km) |
| Panama City to Montemor-o-Velho | 4,263.67 mi (6,861.71 km) |
| Panama City to Montijo | 4,283.24 mi (6,893.20 km) |
| Panama City to Mortagua | 4,280.91 mi (6,889.47 km) |
| Panama City to Moura | 4,369.68 mi (7,032.32 km) |
| Panama City to Murtosa | 4,254.79 mi (6,847.42 km) |
| Panama City to Nazare | 4,255.75 mi (6,848.97 km) |
| Panama City to Nelas | 4,298.45 mi (6,917.69 km) |
| Panama City to Obidos | 4,256.05 mi (6,849.44 km) |
| Panama City to Odemira | 4,320.55 mi (6,953.26 km) |
| Panama City to Odivelas | 4,266.63 mi (6,866.48 km) |
| Panama City to Oeiras | 4,261.81 mi (6,858.72 km) |
| Panama City to Olhao | 4,374.14 mi (7,039.51 km) |
| Panama City to Oliveira de Azemeis | 4,260.59 mi (6,856.75 km) |
