| Pirot to Montalegre | 1,541.96 mi (2,481.54 km) |
| Pirot to Montemor-o-Novo | 1,628.77 mi (2,621.25 km) |
| Pirot to Montemor-o-Velho | 1,617.68 mi (2,603.40 km) |
| Pirot to Montijo | 1,662.39 mi (2,675.37 km) |
| Pirot to Mortagua | 1,589.56 mi (2,558.15 km) |
| Pirot to Moura | 1,603.21 mi (2,580.12 km) |
| Pirot to Murtosa | 1,603.71 mi (2,580.93 km) |
| Pirot to Nazare | 1,649.26 mi (2,654.23 km) |
| Pirot to Nelas | 1,568.61 mi (2,524.43 km) |
| Pirot to Obidos | 1,659.34 mi (2,670.45 km) |
| Pirot to Odemira | 1,677.41 mi (2,699.52 km) |
| Pirot to Odivelas | 1,673.88 mi (2,693.84 km) |
| Pirot to Oeiras | 1,683.40 mi (2,709.17 km) |
| Pirot to Olhao | 1,653.04 mi (2,660.32 km) |
| Pirot to Oliveira de Azemeis | 1,593.70 mi (2,564.81 km) |
