| Royal Palm Beach to Montalegre | 4,142.87 mi (6,667.31 km) |
| Royal Palm Beach to Montemor-o-Novo | 4,163.07 mi (6,699.81 km) |
| Royal Palm Beach to Montemor-o-Velho | 4,118.08 mi (6,627.41 km) |
| Royal Palm Beach to Montijo | 4,126.51 mi (6,640.97 km) |
| Royal Palm Beach to Mortagua | 4,137.92 mi (6,659.34 km) |
| Royal Palm Beach to Moura | 4,211.20 mi (6,777.28 km) |
| Royal Palm Beach to Murtosa | 4,113.46 mi (6,619.98 km) |
| Royal Palm Beach to Nazare | 4,105.46 mi (6,607.10 km) |
| Royal Palm Beach to Nelas | 4,156.61 mi (6,689.41 km) |
| Royal Palm Beach to Obidos | 4,103.86 mi (6,604.52 km) |
| Royal Palm Beach to Odemira | 4,156.32 mi (6,688.96 km) |
| Royal Palm Beach to Odivelas | 4,110.27 mi (6,614.84 km) |
| Royal Palm Beach to Oeiras | 4,104.47 mi (6,605.51 km) |
| Royal Palm Beach to Olhao | 4,207.22 mi (6,770.87 km) |
| Royal Palm Beach to Oliveira de Azemeis | 4,120.27 mi (6,630.93 km) |
