| Hardenberg to Montemor-o-Novo | 1,194.44 mi (1,922.26 km) |
| Hardenberg to Montemor-o-Velho | 1,120.51 mi (1,803.28 km) |
| Hardenberg to Montijo | 1,212.09 mi (1,950.67 km) |
| Hardenberg to Mortagua | 1,091.82 mi (1,757.11 km) |
| Hardenberg to Moura | 1,204.06 mi (1,937.76 km) |
| Hardenberg to Murtosa | 1,087.14 mi (1,749.58 km) |
| Hardenberg to Nazare | 1,164.26 mi (1,873.70 km) |
| Hardenberg to Nelas | 1,075.62 mi (1,731.04 km) |
| Hardenberg to Obidos | 1,180.80 mi (1,900.31 km) |
| Hardenberg to Odemira | 1,269.27 mi (2,042.69 km) |
| Hardenberg to Odivelas | 1,214.08 mi (1,953.87 km) |
| Hardenberg to Oeiras | 1,224.31 mi (1,970.34 km) |
| Hardenberg to Olhao | 1,281.35 mi (2,062.14 km) |
| Hardenberg to Oliveira de Azemeis | 1,076.30 mi (1,732.14 km) |
| Hardenberg to Oliveira de Frades | 1,074.30 mi (1,728.91 km) |
