| Cayenne to Montemor-o-Novo | 3,609.50 mi (5,808.92 km) |
| Cayenne to Montemor-o-Velho | 3,639.28 mi (5,856.85 km) |
| Cayenne to Montijo | 3,578.38 mi (5,758.85 km) |
| Cayenne to Mortagua | 3,669.02 mi (5,904.72 km) |
| Cayenne to Moura | 3,629.24 mi (5,840.71 km) |
| Cayenne to Murtosa | 3,661.30 mi (5,892.29 km) |
| Cayenne to Nazare | 3,602.04 mi (5,796.92 km) |
| Cayenne to Nelas | 3,689.37 mi (5,937.47 km) |
| Cayenne to Obidos | 3,589.46 mi (5,776.67 km) |
| Cayenne to Odemira | 3,554.41 mi (5,720.27 km) |
| Cayenne to Odivelas | 3,568.90 mi (5,743.59 km) |
| Cayenne to Oeiras | 3,558.83 mi (5,727.38 km) |
| Cayenne to Olhao | 3,574.98 mi (5,753.38 km) |
| Cayenne to Oliveira de Azemeis | 3,672.17 mi (5,909.79 km) |
| Cayenne to Oliveira de Frades | 3,681.08 mi (5,924.12 km) |
