| Grenchen to Penne | 457.29 mi (735.94 km) |
| Grenchen to Pergine Valsugana | 197.89 mi (318.48 km) |
| Grenchen to Perugia | 372.11 mi (598.85 km) |
| Grenchen to Pesaro | 349.23 mi (562.04 km) |
| Grenchen to Pescantina | 203.24 mi (327.09 km) |
| Grenchen to Pescara | 466.84 mi (751.31 km) |
| Grenchen to Peschiera del Garda | 198.31 mi (319.15 km) |
| Grenchen to Pescia | 277.49 mi (446.58 km) |
| Grenchen to Petilia Policastro | 730.40 mi (1,175.47 km) |
| Grenchen to Piacenza | 184.50 mi (296.92 km) |
| Grenchen to Pianella | 464.41 mi (747.40 km) |
| Grenchen to Pianezza | 144.22 mi (232.10 km) |
| Grenchen to Pianiga | 250.43 mi (403.02 km) |
| Grenchen to Piano di Sorrento | 571.49 mi (919.73 km) |
| Grenchen to Pianoro | 271.23 mi (436.50 km) |
