| Dongen to Montemor-o-Novo | 1,098.83 mi (1,768.39 km) |
| Dongen to Montemor-o-Velho | 1,024.35 mi (1,648.53 km) |
| Dongen to Montijo | 1,116.20 mi (1,796.35 km) |
| Dongen to Mortagua | 995.70 mi (1,602.43 km) |
| Dongen to Moura | 1,109.08 mi (1,784.90 km) |
| Dongen to Murtosa | 990.92 mi (1,594.73 km) |
| Dongen to Nazare | 1,068.13 mi (1,718.99 km) |
| Dongen to Nelas | 979.58 mi (1,576.48 km) |
| Dongen to Obidos | 1,084.69 mi (1,745.64 km) |
| Dongen to Odemira | 1,173.84 mi (1,889.11 km) |
| Dongen to Odivelas | 1,118.08 mi (1,799.38 km) |
| Dongen to Oeiras | 1,128.30 mi (1,815.82 km) |
| Dongen to Olhao | 1,186.62 mi (1,909.68 km) |
| Dongen to Oliveira de Azemeis | 980.09 mi (1,577.30 km) |
| Dongen to Oliveira de Frades | 978.14 mi (1,574.17 km) |
