| Grinon to Potenza Picena | 923.84 mi (1,486.78 km) |
| Grinon to Pozzallo | 1,037.51 mi (1,669.71 km) |
| Grinon to Pozzuoli | 943.24 mi (1,517.99 km) |
| Grinon to Prato | 806.22 mi (1,297.48 km) |
| Grinon to Preganziol | 892.78 mi (1,436.79 km) |
| Grinon to Priolo Gargallo | 1,045.69 mi (1,682.87 km) |
| Grinon to Priverno | 893.06 mi (1,437.24 km) |
| Grinon to Pulsano | 1,114.51 mi (1,793.63 km) |
| Grinon to Putignano | 1,099.26 mi (1,769.09 km) |
| Grinon to Qualiano | 944.33 mi (1,519.75 km) |
| Grinon to Quarrata | 800.20 mi (1,287.79 km) |
| Grinon to Quartu Sant'Elena | 695.23 mi (1,118.87 km) |
| Grinon to Quartucciu | 694.69 mi (1,118.00 km) |
| Grinon to Quattro Castella | 790.00 mi (1,271.37 km) |
| Grinon to Quinto di Treviso | 890.86 mi (1,433.71 km) |
