| Romanshorn to Potenza Picena | 355.83 mi (572.65 km) |
| Romanshorn to Pozzallo | 799.07 mi (1,285.98 km) |
| Romanshorn to Pozzuoli | 521.89 mi (839.90 km) |
| Romanshorn to Prato | 267.92 mi (431.17 km) |
| Romanshorn to Preganziol | 192.51 mi (309.82 km) |
| Romanshorn to Priolo Gargallo | 776.93 mi (1,250.36 km) |
| Romanshorn to Priverno | 461.37 mi (742.50 km) |
| Romanshorn to Pulsano | 634.98 mi (1,021.90 km) |
| Romanshorn to Putignano | 601.77 mi (968.46 km) |
| Romanshorn to Qualiano | 516.68 mi (831.51 km) |
| Romanshorn to Quarrata | 268.47 mi (432.05 km) |
| Romanshorn to Quartu Sant'Elena | 575.07 mi (925.49 km) |
| Romanshorn to Quartucciu | 574.28 mi (924.21 km) |
| Romanshorn to Quattro Castella | 209.32 mi (336.87 km) |
| Romanshorn to Quinto di Treviso | 187.79 mi (302.22 km) |
