| Viterbo to Oliveira do Bairro | 1,072.14 mi (1,725.44 km) |
| Viterbo to Oliveira do Hospital | 1,042.28 mi (1,677.38 km) |
| Viterbo to Ourem | 1,091.35 mi (1,756.35 km) |
| Viterbo to Ovar | 1,073.41 mi (1,727.49 km) |
| Viterbo to Pacos de Ferreira | 1,055.84 mi (1,699.20 km) |
| Viterbo to Palmela | 1,132.10 mi (1,821.94 km) |
| Viterbo to Paredes | 1,053.34 mi (1,695.18 km) |
| Viterbo to Paredes de Coura | 1,056.34 mi (1,700.02 km) |
| Viterbo to Penacova | 1,065.27 mi (1,714.38 km) |
| Viterbo to Penafiel | 1,050.74 mi (1,691.01 km) |
| Viterbo to Peniche | 1,138.22 mi (1,831.79 km) |
| Viterbo to Peso da Regua | 1,025.42 mi (1,650.26 km) |
| Viterbo to Pinhal Novo | 1,131.28 mi (1,820.61 km) |
| Viterbo to Pinhel | 994.78 mi (1,600.94 km) |
| Viterbo to Pombal | 1,089.31 mi (1,753.07 km) |
