| Neckargemund to Montemor-o-Novo | 1,120.31 mi (1,802.97 km) |
| Neckargemund to Montemor-o-Velho | 1,064.11 mi (1,712.51 km) |
| Neckargemund to Montijo | 1,144.01 mi (1,841.11 km) |
| Neckargemund to Mortagua | 1,034.18 mi (1,664.35 km) |
| Neckargemund to Moura | 1,119.18 mi (1,801.14 km) |
| Neckargemund to Murtosa | 1,036.03 mi (1,667.32 km) |
| Neckargemund to Nazare | 1,105.70 mi (1,779.45 km) |
| Neckargemund to Nelas | 1,015.44 mi (1,634.20 km) |
| Neckargemund to Obidos | 1,120.78 mi (1,803.73 km) |
| Neckargemund to Odemira | 1,190.19 mi (1,915.43 km) |
| Neckargemund to Odivelas | 1,149.24 mi (1,849.53 km) |
| Neckargemund to Oeiras | 1,159.69 mi (1,866.34 km) |
| Neckargemund to Olhao | 1,191.64 mi (1,917.76 km) |
| Neckargemund to Oliveira de Azemeis | 1,024.94 mi (1,649.48 km) |
| Neckargemund to Oliveira de Frades | 1,019.11 mi (1,640.10 km) |
