| Romanshorn to Piazza Armerina | 747.88 mi (1,203.59 km) |
| Romanshorn to Piazzola sul Brenta | 181.07 mi (291.41 km) |
| Romanshorn to Pietrasanta | 253.43 mi (407.85 km) |
| Romanshorn to Pieve di Soligo | 176.60 mi (284.21 km) |
| Romanshorn to Pinerolo | 208.68 mi (335.84 km) |
| Romanshorn to Pioltello | 142.58 mi (229.46 km) |
| Romanshorn to Piombino | 324.79 mi (522.70 km) |
| Romanshorn to Piombino Dese | 184.41 mi (296.77 km) |
| Romanshorn to Piossasco | 199.41 mi (320.92 km) |
| Romanshorn to Piove di Sacco | 201.97 mi (325.03 km) |
| Romanshorn to Pisa | 270.52 mi (435.36 km) |
| Romanshorn to Pisticci | 611.02 mi (983.34 km) |
| Romanshorn to Pistoia | 261.85 mi (421.40 km) |
| Romanshorn to Pizzo | 699.41 mi (1,125.59 km) |
| Romanshorn to Podenzano | 181.25 mi (291.69 km) |
