| Trissino to Oliveira do Bairro | 1,058.83 mi (1,704.02 km) |
| Trissino to Oliveira do Hospital | 1,033.59 mi (1,663.40 km) |
| Trissino to Ourem | 1,089.33 mi (1,753.10 km) |
| Trissino to Ovar | 1,054.85 mi (1,697.61 km) |
| Trissino to Pacos de Ferreira | 1,032.51 mi (1,661.67 km) |
| Trissino to Palmela | 1,142.29 mi (1,838.34 km) |
| Trissino to Paredes | 1,031.17 mi (1,659.51 km) |
| Trissino to Paredes de Coura | 1,023.42 mi (1,647.03 km) |
| Trissino to Penacova | 1,056.13 mi (1,699.68 km) |
| Trissino to Penafiel | 1,028.66 mi (1,655.46 km) |
| Trissino to Peniche | 1,136.69 mi (1,829.33 km) |
| Trissino to Peso da Regua | 1,005.64 mi (1,618.43 km) |
| Trissino to Pinhal Novo | 1,140.62 mi (1,835.65 km) |
| Trissino to Pinhel | 983.16 mi (1,582.24 km) |
| Trissino to Pombal | 1,083.54 mi (1,743.79 km) |
