| Decin to Montemor-o-Novo | 1,373.78 mi (2,210.88 km) |
| Decin to Montemor-o-Velho | 1,320.35 mi (2,124.90 km) |
| Decin to Montijo | 1,398.45 mi (2,250.58 km) |
| Decin to Mortagua | 1,290.38 mi (2,076.66 km) |
| Decin to Moura | 1,370.33 mi (2,205.34 km) |
| Decin to Murtosa | 1,292.82 mi (2,080.60 km) |
| Decin to Nazare | 1,361.60 mi (2,191.28 km) |
| Decin to Nelas | 1,271.42 mi (2,046.15 km) |
| Decin to Obidos | 1,376.46 mi (2,215.19 km) |
| Decin to Odemira | 1,442.32 mi (2,321.20 km) |
| Decin to Odivelas | 1,404.16 mi (2,259.78 km) |
| Decin to Oeiras | 1,414.61 mi (2,276.60 km) |
| Decin to Olhao | 1,441.14 mi (2,319.29 km) |
| Decin to Oliveira de Azemeis | 1,281.74 mi (2,062.76 km) |
| Decin to Oliveira de Frades | 1,275.59 mi (2,052.87 km) |
