| Grinon to Penne | 932.79 mi (1,501.18 km) |
| Grinon to Pergine Valsugana | 859.20 mi (1,382.75 km) |
| Grinon to Perugia | 860.23 mi (1,384.41 km) |
| Grinon to Pesaro | 894.56 mi (1,439.66 km) |
| Grinon to Pescantina | 827.84 mi (1,332.28 km) |
| Grinon to Pescara | 947.99 mi (1,525.64 km) |
| Grinon to Peschiera del Garda | 818.68 mi (1,317.53 km) |
| Grinon to Pescia | 786.86 mi (1,266.32 km) |
| Grinon to Petilia Policastro | 1,097.55 mi (1,766.34 km) |
| Grinon to Piacenza | 764.15 mi (1,229.78 km) |
| Grinon to Pianella | 939.37 mi (1,511.77 km) |
| Grinon to Pianezza | 669.33 mi (1,077.18 km) |
| Grinon to Pianiga | 879.30 mi (1,415.09 km) |
| Grinon to Piano di Sorrento | 959.20 mi (1,543.68 km) |
| Grinon to Pianoro | 826.08 mi (1,329.44 km) |
