| Isernia to Pozzallo | 338.22 mi (544.31 km) |
| Isernia to Pozzuoli | 54.22 mi (87.25 km) |
| Isernia to Prato | 224.04 mi (360.56 km) |
| Isernia to Preganziol | 293.83 mi (472.88 km) |
| Isernia to Priolo Gargallo | 310.61 mi (499.88 km) |
| Isernia to Priverno | 55.44 mi (89.22 km) |
| Isernia to Pulsano | 182.77 mi (294.14 km) |
| Isernia to Putignano | 158.29 mi (254.74 km) |
| Isernia to Qualiano | 47.63 mi (76.66 km) |
| Isernia to Quarrata | 226.62 mi (364.71 km) |
| Isernia to Quartu Sant'Elena | 311.92 mi (501.98 km) |
| Isernia to Quartucciu | 311.83 mi (501.83 km) |
| Isernia to Quattro Castella | 282.87 mi (455.24 km) |
| Isernia to Quinto di Treviso | 298.21 mi (479.92 km) |
| Isernia to Racale | 231.40 mi (372.41 km) |
