| Sona to Oliveira do Bairro | 1,031.63 mi (1,660.24 km) |
| Sona to Oliveira do Hospital | 1,006.31 mi (1,619.50 km) |
| Sona to Ourem | 1,061.99 mi (1,709.10 km) |
| Sona to Ovar | 1,027.74 mi (1,653.99 km) |
| Sona to Pacos de Ferreira | 1,005.50 mi (1,618.19 km) |
| Sona to Palmela | 1,114.87 mi (1,794.22 km) |
| Sona to Paredes | 1,004.13 mi (1,615.99 km) |
| Sona to Paredes de Coura | 996.64 mi (1,603.93 km) |
| Sona to Penacova | 1,028.87 mi (1,655.80 km) |
| Sona to Penafiel | 1,001.61 mi (1,611.93 km) |
| Sona to Peniche | 1,109.35 mi (1,785.33 km) |
| Sona to Peso da Regua | 978.54 mi (1,574.80 km) |
| Sona to Pinhal Novo | 1,113.20 mi (1,791.53 km) |
| Sona to Pinhel | 955.91 mi (1,538.38 km) |
| Sona to Pombal | 1,056.24 mi (1,699.85 km) |
