| Quattro Castella to Oliveira do Bairro | 1,003.42 mi (1,614.84 km) |
| Quattro Castella to Oliveira do Hospital | 976.89 mi (1,572.15 km) |
| Quattro Castella to Ourem | 1,031.20 mi (1,659.56 km) |
| Quattro Castella to Ovar | 1,000.80 mi (1,610.63 km) |
| Quattro Castella to Pacos de Ferreira | 979.65 mi (1,576.59 km) |
| Quattro Castella to Palmela | 1,081.48 mi (1,740.47 km) |
| Quattro Castella to Paredes | 977.99 mi (1,573.92 km) |
| Quattro Castella to Paredes de Coura | 973.20 mi (1,566.21 km) |
| Quattro Castella to Penacova | 999.64 mi (1,608.77 km) |
| Quattro Castella to Penafiel | 975.44 mi (1,569.82 km) |
| Quattro Castella to Peniche | 1,078.62 mi (1,735.88 km) |
| Quattro Castella to Peso da Regua | 951.70 mi (1,531.61 km) |
| Quattro Castella to Pinhal Novo | 1,079.99 mi (1,738.08 km) |
| Quattro Castella to Pinhel | 926.97 mi (1,491.82 km) |
| Quattro Castella to Pombal | 1,026.31 mi (1,651.69 km) |
