| Martinsicuro to Montemor-o-Novo | 1,190.76 mi (1,916.35 km) |
| Martinsicuro to Montemor-o-Velho | 1,180.34 mi (1,899.58 km) |
| Martinsicuro to Montijo | 1,224.32 mi (1,970.35 km) |
| Martinsicuro to Mortagua | 1,152.44 mi (1,854.68 km) |
| Martinsicuro to Moura | 1,165.80 mi (1,876.18 km) |
| Martinsicuro to Murtosa | 1,167.24 mi (1,878.50 km) |
| Martinsicuro to Nazare | 1,211.45 mi (1,949.65 km) |
| Martinsicuro to Nelas | 1,131.49 mi (1,820.96 km) |
| Martinsicuro to Obidos | 1,221.39 mi (1,965.64 km) |
| Martinsicuro to Odemira | 1,240.18 mi (1,995.87 km) |
| Martinsicuro to Odivelas | 1,235.78 mi (1,988.80 km) |
| Martinsicuro to Oeiras | 1,245.31 mi (2,004.13 km) |
| Martinsicuro to Olhao | 1,217.18 mi (1,958.85 km) |
| Martinsicuro to Oliveira de Azemeis | 1,157.37 mi (1,862.61 km) |
| Martinsicuro to Oliveira de Frades | 1,144.75 mi (1,842.30 km) |
