| Montesilvano to Oliveira do Bairro | 1,176.32 mi (1,893.11 km) |
| Montesilvano to Oliveira do Hospital | 1,146.58 mi (1,845.24 km) |
| Montesilvano to Ourem | 1,195.77 mi (1,924.41 km) |
| Montesilvano to Ovar | 1,177.41 mi (1,894.85 km) |
| Montesilvano to Pacos de Ferreira | 1,159.59 mi (1,866.17 km) |
| Montesilvano to Palmela | 1,236.47 mi (1,989.91 km) |
| Montesilvano to Paredes | 1,157.14 mi (1,862.24 km) |
| Montesilvano to Paredes de Coura | 1,159.50 mi (1,866.04 km) |
| Montesilvano to Penacova | 1,169.57 mi (1,882.24 km) |
| Montesilvano to Penafiel | 1,154.55 mi (1,858.07 km) |
| Montesilvano to Peniche | 1,242.66 mi (1,999.87 km) |
| Montesilvano to Peso da Regua | 1,129.32 mi (1,817.46 km) |
| Montesilvano to Pinhal Novo | 1,235.66 mi (1,988.61 km) |
| Montesilvano to Pinhel | 1,098.96 mi (1,768.61 km) |
| Montesilvano to Pombal | 1,193.68 mi (1,921.05 km) |
