| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| Cornwall Borough (Cornwall), Lebanon County, Pennsylvania, USA | 40° 16' 24" N | 76° 24' 23" W | 7.0km (4.4 miles) | |
| Smith Quarry, South Annville Township, Lebanon County, Pennsylvania, USA | 40° 16' 6" N | 76° 28' 33" W | 7.4km (4.6 miles) | |
| Bunker Hill, Swatara Township, Lebanon County, Pennsylvania, USA | 40° 23' 38" N | 76° 29' 5" W | 7.9km (4.9 miles) | |
| Cornwall Mines (Cornwall Iron Mine), Cornwall Borough (Cornwall), Lebanon County, Pennsylvania, USA | 40° 16' 0" N | 76° 24' 0" W | 7.9km (4.9 miles) | |
| Carper mine, Lebanon County, Pennsylvania, USA | 40° 16' 13" N | 76° 31' 19" W | 9.5km (5.9 miles) | |
| Pennsy Supply Quarry (Millard Quarry), North Londonderry Township, Lebanon County, Pennsylvania, USA | 40° 19' 20" N | 76° 34' 34" W | 11.4km (7.1 miles) | |
| Silver Mine, Swatara State Park, Union Township, Lebanon County, Pennsylvania, USA | 40° 28' 42" N | 76° 31' 34" W | 17.9km (11.2 miles) | |
| Stouchsburg, Berks County, Pennsylvania, USA | 40° 22' 48" N | 76° 13' 55" W | 18.6km (11.6 miles) | |
| Hiester Filbert Mine, Stouchsburg, Berks County, Pennsylvania, USA | 40° 22' 0" N | 76° 13' 0" W | 19.5km (12.1 miles) | |
| Aberdeen, Mount Joy Township, Lancaster County, Pennsylvania, USA | 40° 10' 36" N | 76° 37' 23" W | 23.0km (14.3 miles) | |
| Brownstone Quarry No.3, Hummelstown, Dauphin County, Pennsylvania, USA | 40° 14' 31" N | 76° 41' 15" W | 23.0km (14.3 miles) | |
| Brownstone Quarry No.1, Hummelstown, Dauphin County, Pennsylvania, USA | 40° 14' 31" N | 76° 41' 27" W | 23.3km (14.5 miles) | |
| Brownstone Quarry No.2, Hummelstown, Dauphin County, Pennsylvania, USA | 40° 14' 32" N | 76° 41' 34" W | 23.4km (14.5 miles) | |
| Brownstone Quarry No.4, Hummelstown, Dauphin County, Pennsylvania, USA | 40° 14' 29" N | 76° 41' 43" W | 23.6km (14.7 miles) | |
| Rheems, Mount Joy Township, Lancaster County, Pennsylvania, USA | 40° 7' 48" N | 76° 34' 13" W | 24.8km (15.4 miles) | |
| Rheemβs Quarry, Rheems, Mount Joy Township, Lancaster County, Pennsylvania, USA | 40° 7' 41" N | 76° 34' 42" W | 25.3km (15.7 miles) | |
| Binkley-Ober Quarry, East Hempfield Township, Lancaster County, Pennsylvania, USA | 40° 6' 38" N | 76° 21' 41" W | 25.4km (15.8 miles) | |
| Bamford, East Hempfield Township, Lancaster County, Pennsylvania, USA | 40° 5' 6" N | 76° 23' 21" W | 27.6km (17.2 miles) | |
| Fruitville, Manheim Township, Lancaster County, Pennsylvania, USA | 40° 5' 17" N | 76° 19' 44" W | 28.6km (17.8 miles) | |
| Martin Limestone Quarry, East Cocalico Township, Lancaster County, Pennsylvania, USA | 40° 13' 24" N | 76° 7' 18" W | 29.7km (18.4 miles) | |
| Mud Lake - Grubb Lake, West Hempfield Township, Lancaster County, Pennsylvania, USA | 40° 3' 28" N | 76° 27' 5" W | 30.3km (18.8 miles) | |
| Tower City, Schuylkill County, Pennsylvania, USA | 40° 35' 26" N | 76° 33' 5" W | 30.4km (18.9 miles) | |
| Noah Getz Quarry, Rohrerstown, East Hempfield Township, Lancaster County, Pennsylvania, USA | 40° 3' 35" N | 76° 21' 59" W | 30.7km (19.1 miles) | |
| Chestnut Hill, West Hempfield Township, Lancaster County, Pennsylvania, USA | 40° 3' 10" N | 76° 25' 40" W | 30.9km (19.2 miles) | |
| Three Mile Island Nuclear Generating Station, Three Mile Island, Dauphin County, Pennsylvania, USA | 40° 9' 13" N | 76° 43' 30" W | 31.0km (19.3 miles) | |
| Williamstown, Dauphin County, Pennsylvania, USA | 40° 34' 48" N | 76° 37' 5" W | 31.5km (19.6 miles) | |
| Rohrerstown, East Hempfield Township, Lancaster County, Pennsylvania, USA | 40° 3' 10" N | 76° 21' 35" W | 31.6km (19.7 miles) | |
| Blue Marsh Lake, Bern Township, Berks County, Pennsylvania, USA | 40° 23' 17" N | 76° 4' 27" W | 31.9km (19.8 miles) | |
| Bainbridge, Conoy Township, Lancaster County, Pennsylvania, USA | 40° 5' 26" N | 76° 40' 3" W | 32.8km (20.4 miles) | |
| Billmeyer Quarry, Billmeyer, Conoy Township, Lancaster County, Pennsylvania, USA | 40° 4' 20" N | 76° 38' 48" W | 33.5km (20.8 miles) | |
Cornwall Mines, Cornwall Borough, Lebanon County, Pennsylvania, USA