| Viterbo to Poggibonsi | 87.02 mi (140.05 km) |
| Viterbo to Poggio a Caiano | 109.86 mi (176.80 km) |
| Viterbo to Poggio Renatico | 165.07 mi (265.65 km) |
| Viterbo to Poggiomarino | 168.72 mi (271.53 km) |
| Viterbo to Poirino | 274.09 mi (441.10 km) |
| Viterbo to Policoro | 282.02 mi (453.86 km) |
| Viterbo to Polistena | 347.11 mi (558.63 km) |
| Viterbo to Pomezia | 55.65 mi (89.56 km) |
| Viterbo to Pomigliano d'Arco | 157.50 mi (253.47 km) |
| Viterbo to Pompei | 169.17 mi (272.25 km) |
| Viterbo to Ponsacco | 111.23 mi (179.01 km) |
| Viterbo to Pontassieve | 99.57 mi (160.24 km) |
| Viterbo to Ponte Buggianese | 119.73 mi (192.69 km) |
| Viterbo to Ponte San Pietro | 258.70 mi (416.33 km) |
| Viterbo to Pontecorvo | 104.01 mi (167.39 km) |
