| population | |
| Citta metropolitana di Roma Capitale | 4342212 |
| Provincia di Frosinone | 489083 |
| population | |
| Provincia di Latina | 575254 |
| Provincia di Rieti | 155503 |
| population | |
| Provincia di Viterbo | 317030 |
 | Ciampino–G. B. Pastine International Airport | ~ 34.47 km |
| Rome–Fiumicino Leonardo da Vinci International Airport | ~ 53.11 km |
| L'Aquila–Preturo Airport | ~ 55.11 km |
| Perugia San Francesco d'Assisi – Umbria International Airport | ~ 115.30 km |
| Abruzzo Airport | ~ 121.94 km |
| Grosseto Air Base | ~ 159.32 km |
| Marche Airport | ~ 177.58 km |
| Siena-Ampugnano Airport | ~ 180.82 km |
| Naples International Airport | ~ 182.81 km |
