| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| Spizzicatore Hill, Allumiere, Metropolitan City of Rome Capital, Lazio, Italy | 42° 10' 7" N | 11° 50' 33" E | 5.6km (3.5 miles) | |
| Monte Sassetto, Allumiere, Metropolitan City of Rome Capital, Lazio, Italy | 42° 10' 52" N | 11° 51' 11" E | 7.2km (4.5 miles) | |
| Roccaccia, Allumiere, Metropolitan City of Rome Capital, Lazio, Italy | 42° 8' 12" N | 11° 53' 45" E | 9.0km (5.6 miles) | |
| Monte Rovello, Allumiere, Metropolitan City of Rome Capital, Lazio, Italy | 42° 10' 33" N | 11° 53' 10" E | 9.1km (5.7 miles) | |
| La Trinità, Allumiere, Metropolitan City of Rome Capital, Lazio, Italy | 42° 10' 15" N | 11° 54' 9" E | 10.2km (6.3 miles) | |
| Castagneto La Trinità, Allumiere, Metropolitan City of Rome Capital, Lazio, Italy | 42° 10' 9" N | 11° 54' 16" E | 10.3km (6.4 miles) | |
| Sasso della Strega, Allumiere, Metropolitan City of Rome Capital, Lazio, Italy | 42° 10' 24" N | 11° 56' 30" E | 13.3km (8.3 miles) | |
| Fosso della Legarella, Santa Severa Nord, Tolfa, Metropolitan City of Rome Capital, Lazio, Italy | 42° 3' 30" N | 11° 58' 43" E | 18.2km (11.3 miles) | |
| Fosso Eri rhyolite outcrop (incl. Santa Severa kaolin quarry), Santa Severa Nord, Tolfa, Metropolitan City of Rome Capital, Lazio, Italy | 42° 2' 21" N | 11° 58' 1" E | 18.6km (11.5 miles) | |
| Santa Severa manganese prospects (incl. Santa Severa travertine quarry), Santa Severa Nord, Tolfa, Metropolitan City of Rome Capital, Lazio, Italy | 42° 2' 24" N | 11° 58' 30" E | 19.0km (11.8 miles) | |
| Santa Severa Nord, Tolfa, Metropolitan City of Rome Capital, Lazio, Italy | 42° 1' 18" N | 11° 58' 12" E | 20.0km (12.4 miles) | |
| Prato del Casone (Prati Casone), Sasso di Furbara (Sasso), Cerveteri, Metropolitan City of Rome Capital, Lazio, Italy | 42° 3' 41" N | 12° 1' 47" E | 21.8km (13.6 miles) | |
| Fosso Sassone, Sasso di Furbara (Sasso), Cerveteri, Metropolitan City of Rome Capital, Lazio, Italy | 42° 4' 8" N | 12° 2' 35" E | 22.5km (14.0 miles) | |
| Monte delle Fate fluorite deposit, Sasso di Furbara (Sasso), Cerveteri, Metropolitan City of Rome Capital, Lazio, Italy | 42° 3' 51" N | 12° 2' 43" E | 22.9km (14.2 miles) | |
| Monte Sughereto Quarry, Sasso di Furbara (Sasso), Cerveteri, Metropolitan City of Rome Capital, Lazio, Italy | 42° 3' 11" N | 12° 2' 21" E | 22.9km (14.2 miles) | |
| Sasso di Furbara (Sasso), Cerveteri, Metropolitan City of Rome Capital, Lazio, Italy | 42° 3' 16" N | 12° 2' 42" E | 23.3km (14.5 miles) | |
| Pianciano carbonatite, Cerveteri, Metropolitan City of Rome Capital, Lazio, Italy | 42° 2' 59" N | 12° 3' 0" E | 23.8km (14.8 miles) | |
| Fosso Bigione, Canale Monterano, Metropolitan City of Rome Capital, Lazio, Italy | 42° 7' 56" N | 12° 5' 1" E | 24.5km (15.2 miles) | |
| La Mercareccia, Canale Monterano, Metropolitan City of Rome Capital, Lazio, Italy | 42° 7' 57" N | 12° 5' 4" E | 24.5km (15.2 miles) | |
| Caldera di Manziana, Manziana, Metropolitan City of Rome Capital, Lazio, Italy | 42° 5' 25" N | 12° 6' 1" E | 26.4km (16.4 miles) | |
| Solfatara di Manziana, Manziana, Metropolitan City of Rome Capital, Lazio, Italy | 42° 7' 4" N | 12° 7' 19" E | 27.7km (17.2 miles) | |
| Campomorto Quarry, Pietra Massa Locality, Montalto di Castro, Viterbo Province, Lazio, Italy | 42° 22' 47" N | 11° 39' 3" E | 29.0km (18.0 miles) | |
| Res Ambiente 91 quarry, Bassano Romano, Viterbo Province, Lazio, Italy | 42° 12' 43" N | 12° 8' 11" E | 29.9km (18.6 miles) | |
| Pianciano, Castel Giuliano, Bracciano, Metropolitan City of Rome Capital, Lazio, Italy | 42° 4' 30" N | 12° 9' 0" E | 30.8km (19.1 miles) | |
| La Botte (Botte), Vetralla, Viterbo Province, Lazio, Italy | 42° 18' 11" N | 12° 5' 19" E | 30.8km (19.2 miles) | |
| Pian di San Martino, Vetralla, Viterbo Province, Lazio, Italy | 42° 20' 46" N | 12° 3' 45" E | 32.3km (20.1 miles) | |
| Cassia Road km 61.5, Capranica, Viterbo Province, Lazio, Italy | 42° 17' 8" N | 12° 7' 35" E | 32.3km (20.1 miles) | |
| Tre Croci, Vetralla, Viterbo Province, Lazio, Italy | 42° 19' 54" N | 12° 5' 4" E | 32.5km (20.2 miles) | |
| San Leonardo quarry, Capranica, Viterbo Province, Lazio, Italy | 42° 15' 26" N | 12° 8' 55" E | 32.6km (20.2 miles) | |
| Campo Padella, Capranica, Viterbo Province, Lazio, Italy | 42° 16' 43" N | 12° 9' 2" E | 33.7km (21.0 miles) | |
Monte Sassetto, Allumiere, Metropolitan City of Rome Capital, Lazio, Italy