| Petal to Montalegre | 4,407.78 mi (7,093.64 km) |
| Petal to Montemor-o-Novo | 4,463.00 mi (7,182.50 km) |
| Petal to Montemor-o-Velho | 4,402.98 mi (7,085.91 km) |
| Petal to Montijo | 4,427.72 mi (7,125.73 km) |
| Petal to Mortagua | 4,418.92 mi (7,111.57 km) |
| Petal to Moura | 4,514.64 mi (7,265.61 km) |
| Petal to Murtosa | 4,392.12 mi (7,068.43 km) |
| Petal to Nazare | 4,397.32 mi (7,076.80 km) |
| Petal to Nelas | 4,435.84 mi (7,138.79 km) |
| Petal to Obidos | 4,398.51 mi (7,078.71 km) |
| Petal to Odemira | 4,468.39 mi (7,191.18 km) |
| Petal to Odivelas | 4,411.01 mi (7,098.83 km) |
| Petal to Oeiras | 4,406.67 mi (7,091.85 km) |
| Petal to Olhao | 4,523.03 mi (7,279.11 km) |
| Petal to Oliveira de Azemeis | 4,397.41 mi (7,076.95 km) |
