| Grenada to Montalegre | 4,340.60 mi (6,985.52 km) |
| Grenada to Montemor-o-Novo | 4,405.35 mi (7,089.73 km) |
| Grenada to Montemor-o-Velho | 4,341.34 mi (6,986.71 km) |
| Grenada to Montijo | 4,370.60 mi (7,033.81 km) |
| Grenada to Mortagua | 4,356.12 mi (7,010.50 km) |
| Grenada to Moura | 4,457.76 mi (7,174.07 km) |
| Grenada to Murtosa | 4,328.79 mi (6,966.51 km) |
| Grenada to Nazare | 4,337.67 mi (6,980.81 km) |
| Grenada to Nelas | 4,372.46 mi (7,036.80 km) |
| Grenada to Obidos | 4,339.65 mi (6,983.99 km) |
| Grenada to Odemira | 4,414.23 mi (7,104.02 km) |
| Grenada to Odivelas | 4,353.84 mi (7,006.82 km) |
| Grenada to Oeiras | 4,349.93 mi (7,000.54 km) |
| Grenada to Olhao | 4,469.71 mi (7,193.31 km) |
| Grenada to Oliveira de Azemeis | 4,333.64 mi (6,974.31 km) |
