| Monte San Pietro to Montemor-o-Novo | 1,077.80 mi (1,734.55 km) |
| Monte San Pietro to Montemor-o-Velho | 1,055.21 mi (1,698.20 km) |
| Monte San Pietro to Montijo | 1,109.33 mi (1,785.30 km) |
| Monte San Pietro to Mortagua | 1,026.26 mi (1,651.60 km) |
| Monte San Pietro to Moura | 1,058.95 mi (1,704.21 km) |
| Monte San Pietro to Murtosa | 1,038.18 mi (1,670.79 km) |
| Monte San Pietro to Nazare | 1,089.56 mi (1,753.48 km) |
| Monte San Pietro to Nelas | 1,005.42 mi (1,618.07 km) |
| Monte San Pietro to Obidos | 1,101.01 mi (1,771.90 km) |
| Monte San Pietro to Odemira | 1,133.85 mi (1,824.76 km) |
| Monte San Pietro to Odivelas | 1,119.35 mi (1,801.41 km) |
| Monte San Pietro to Oeiras | 1,129.29 mi (1,817.42 km) |
| Monte San Pietro to Olhao | 1,117.46 mi (1,798.38 km) |
| Monte San Pietro to Oliveira de Azemeis | 1,027.82 mi (1,654.12 km) |
| Monte San Pietro to Oliveira de Frades | 1,016.60 mi (1,636.06 km) |
