| Grevena to Poggio a Caiano | 590.97 mi (951.07 km) |
| Grevena to Poggio Renatico | 600.82 mi (966.93 km) |
| Grevena to Poggiomarino | 364.91 mi (587.26 km) |
| Grevena to Poirino | 766.92 mi (1,234.24 km) |
| Grevena to Policoro | 251.55 mi (404.83 km) |
| Grevena to Polistena | 309.52 mi (498.12 km) |
| Grevena to Pomezia | 478.72 mi (770.42 km) |
| Grevena to Pomigliano d'Arco | 373.55 mi (601.17 km) |
| Grevena to Pompei | 367.20 mi (590.95 km) |
| Grevena to Ponsacco | 606.16 mi (975.52 km) |
| Grevena to Pontassieve | 572.79 mi (921.82 km) |
| Grevena to Ponte Buggianese | 606.34 mi (975.81 km) |
| Grevena to Ponte San Pietro | 712.71 mi (1,147.00 km) |
| Grevena to Pontecorvo | 416.88 mi (670.90 km) |
| Grevena to Pontedera | 607.27 mi (977.31 km) |
