| Castellana Grotte to Oliveira do Bairro | 1,339.87 mi (2,156.32 km) |
| Castellana Grotte to Oliveira do Hospital | 1,308.65 mi (2,106.07 km) |
| Castellana Grotte to Ourem | 1,354.48 mi (2,179.83 km) |
| Castellana Grotte to Ovar | 1,342.97 mi (2,161.30 km) |
| Castellana Grotte to Pacos de Ferreira | 1,327.10 mi (2,135.77 km) |
| Castellana Grotte to Palmela | 1,389.24 mi (2,235.76 km) |
| Castellana Grotte to Paredes | 1,324.26 mi (2,131.20 km) |
| Castellana Grotte to Paredes de Coura | 1,330.40 mi (2,141.08 km) |
| Castellana Grotte to Penacova | 1,331.54 mi (2,142.91 km) |
| Castellana Grotte to Penafiel | 1,321.67 mi (2,127.02 km) |
| Castellana Grotte to Peniche | 1,400.59 mi (2,254.03 km) |
| Castellana Grotte to Peso da Regua | 1,295.86 mi (2,085.49 km) |
| Castellana Grotte to Pinhal Novo | 1,388.83 mi (2,235.11 km) |
| Castellana Grotte to Pinhel | 1,262.79 mi (2,032.27 km) |
| Castellana Grotte to Pombal | 1,353.99 mi (2,179.03 km) |
