| Nannestad to Montemor-o-Novo | 1,708.45 mi (2,749.48 km) |
| Nannestad to Montemor-o-Velho | 1,622.64 mi (2,611.39 km) |
| Nannestad to Montijo | 1,720.89 mi (2,769.51 km) |
| Nannestad to Mortagua | 1,596.01 mi (2,568.53 km) |
| Nannestad to Moura | 1,725.67 mi (2,777.20 km) |
| Nannestad to Murtosa | 1,586.05 mi (2,552.50 km) |
| Nannestad to Nazare | 1,666.70 mi (2,682.30 km) |
| Nannestad to Nelas | 1,582.43 mi (2,546.68 km) |
| Nannestad to Obidos | 1,683.93 mi (2,710.02 km) |
| Nannestad to Odemira | 1,785.18 mi (2,872.97 km) |
| Nannestad to Odivelas | 1,720.20 mi (2,768.39 km) |
| Nannestad to Oeiras | 1,729.95 mi (2,784.09 km) |
| Nannestad to Olhao | 1,804.70 mi (2,904.38 km) |
| Nannestad to Oliveira de Azemeis | 1,575.85 mi (2,536.08 km) |
| Nannestad to Oliveira de Frades | 1,577.12 mi (2,538.13 km) |
