| Romanshorn to Penne | 417.50 mi (671.91 km) |
| Romanshorn to Pergine Valsugana | 136.27 mi (219.30 km) |
| Romanshorn to Perugia | 340.93 mi (548.68 km) |
| Romanshorn to Pesaro | 304.37 mi (489.84 km) |
| Romanshorn to Pescantina | 160.66 mi (258.55 km) |
| Romanshorn to Pescara | 424.58 mi (683.29 km) |
| Romanshorn to Peschiera del Garda | 159.90 mi (257.33 km) |
| Romanshorn to Pescia | 261.04 mi (420.10 km) |
| Romanshorn to Petilia Policastro | 692.01 mi (1,113.68 km) |
| Romanshorn to Piacenza | 174.44 mi (280.73 km) |
| Romanshorn to Pianella | 423.96 mi (682.29 km) |
| Romanshorn to Pianezza | 190.55 mi (306.67 km) |
| Romanshorn to Pianiga | 192.47 mi (309.76 km) |
| Romanshorn to Piano di Sorrento | 540.25 mi (869.45 km) |
| Romanshorn to Pianoro | 239.34 mi (385.18 km) |
