| Iseo to Montemor-o-Novo | 1,050.31 mi (1,690.31 km) |
| Iseo to Montemor-o-Velho | 1,018.22 mi (1,638.67 km) |
| Iseo to Montijo | 1,079.99 mi (1,738.08 km) |
| Iseo to Mortagua | 988.66 mi (1,591.09 km) |
| Iseo to Moura | 1,036.30 mi (1,667.77 km) |
| Iseo to Murtosa | 998.05 mi (1,606.20 km) |
| Iseo to Nazare | 1,054.91 mi (1,697.72 km) |
| Iseo to Nelas | 968.12 mi (1,558.05 km) |
| Iseo to Obidos | 1,067.47 mi (1,717.92 km) |
| Iseo to Odemira | 1,110.88 mi (1,787.79 km) |
| Iseo to Odivelas | 1,088.78 mi (1,752.22 km) |
| Iseo to Oeiras | 1,098.96 mi (1,768.61 km) |
| Iseo to Olhao | 1,099.51 mi (1,769.50 km) |
| Iseo to Oliveira de Azemeis | 987.37 mi (1,589.02 km) |
| Iseo to Oliveira de Frades | 977.44 mi (1,573.03 km) |
