| Grefrath to Pergine Valsugana | 426.79 mi (686.85 km) |
| Grefrath to Perugia | 634.64 mi (1,021.35 km) |
| Grefrath to Pesaro | 596.19 mi (959.47 km) |
| Grefrath to Pescantina | 454.35 mi (731.21 km) |
| Grefrath to Pescara | 715.95 mi (1,152.21 km) |
| Grefrath to Peschiera del Garda | 453.51 mi (729.85 km) |
| Grefrath to Pescia | 551.92 mi (888.23 km) |
| Grefrath to Petilia Policastro | 983.22 mi (1,582.34 km) |
| Grefrath to Piacenza | 460.95 mi (741.82 km) |
| Grefrath to Pianella | 715.93 mi (1,152.17 km) |
| Grefrath to Pianezza | 434.01 mi (698.48 km) |
| Grefrath to Pianiga | 481.89 mi (775.53 km) |
| Grefrath to Piano di Sorrento | 833.68 mi (1,341.67 km) |
| Grefrath to Pianoro | 532.94 mi (857.69 km) |
| Grefrath to Piazza Armerina | 1,040.89 mi (1,675.15 km) |
