| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| Sturbridge Graphite Mine (Tantiusques Mine; Winthrop Lead Mine), Sturbridge, Worcester County, Massachusetts, USA | 42° 3' 25" N | 72° 7' 51" W | 0.0km (0.0 miles) | |
| Cordierite locality (Bigelow Pond), Union, Tolland County, Connecticut, USA | 41° 59' 30" N | 72° 7' 58" W | 7.3km (4.5 miles) | |
| Union, Tolland County, Connecticut, USA | 41° 59' 26" N | 72° 9' 25" W | 7.7km (4.8 miles) | |
| Interstate 84 (I-84; I-86; State Route 15; Wilbur Cross Highway), Union, Tolland County, Connecticut, USA | 41° 58' 32" N | 72° 10' 57" W | 10.0km (6.2 miles) | |
| Lead Mine, Ashford, Windham County, Connecticut, USA | 41° 57' 19" N | 72° 10' 52" W | 12.1km (7.5 miles) | |
| Lamson & Woodbury Quarry, Charlton, Worcester County, Massachusetts, USA | 42° 5' 30" N | 71° 55' 50" W | 17.0km (10.5 miles) | |
| Chandler Hill, Woodstock, Windham County, Connecticut, USA | 41° 58' 29" N | 71° 57' 27" W | 17.0km (10.6 miles) | |
| Woodstock, Windham County, Connecticut, USA | 41° 57' 2" N | 71° 58' 38" W | 17.4km (10.8 miles) | |
| Monson quarries (Flynt quarries), Monson, Hampden County, Massachusetts, USA | 42° 7' 9" N | 72° 19' 49" W | 17.8km (11.1 miles) | |
| Hylka Sand & Gravel Pits, Charlton, Worcester County, Massachusetts, USA | 42° 5' 57" N | 71° 55' 4" W | 18.2km (11.3 miles) | |
| Diamond Ledge (West Stafford quartz locality; Stafford Springs quartz locality), Stafford, Tolland County, Connecticut, USA | 41° 58' 28" N | 72° 21' 9" W | 20.5km (12.7 miles) | |
| Skyline Quarry, Stafford, Tolland County, Connecticut, USA | 41° 57' 55" N | 72° 21' 9" W | 20.9km (13.0 miles) | |
| Lane & Son quarry, Oxford, Worcester County, Massachusetts, USA | 42° 8' 8" N | 71° 53' 21" W | 21.8km (13.5 miles) | |
| West Thompson, Thompson, Windham County, Connecticut, USA | 41° 56' 41" N | 71° 54' 41" W | 22.0km (13.7 miles) | |
| Unnamed(?) quarry, Palmer, Hampden County, Massachusetts, USA | 42° 12' 10" N | 72° 18' 46" W | 22.1km (13.7 miles) | |
| Pomfret, Windham County, Connecticut, USA | 41° 53' 51" N | 71° 57' 45" W | 22.6km (14.0 miles) | |
| West Thompson Dam, West Thompson, Thompson, Windham County, Connecticut, USA | 41° 56' 45" N | 71° 53' 52" W | 22.9km (14.2 miles) | |
| Becker Quarry (Becker's Quarry), West Willington, Willington, Tolland County, Connecticut, USA | 41° 52' 19" N | 72° 16' 24" W | 23.7km (14.7 miles) | |
| North Oxford, Oxford, Worcester County, Massachusetts, USA | 42° 8' 59" N | 71° 52' 5" W | 24.0km (14.9 miles) | |
| West Willington, Willington, Tolland County, Connecticut, USA | 41° 52' 52" N | 72° 18' 7" W | 24.1km (15.0 miles) | |
| Thompson, Windham County, Connecticut, USA | 41° 57' 30" N | 71° 51' 45" W | 24.7km (15.4 miles) | |
| Baryte locality, Somers, Tolland County, Connecticut, USA | 42° 1' 25" N | 72° 26' 11" W | 25.5km (15.8 miles) | |
| Soapstone Mountain, Somers, Tolland County, Connecticut, USA | 41° 57' 30" N | 72° 24' 46" W | 25.7km (16.0 miles) | |
| Ragged Hill, West Brookfield, Worcester County, Massachusetts, USA | 42° 17' 16" N | 72° 11' 7" W | 26.0km (16.2 miles) | |
| Gilbertville, Hardwick, Worcester County, Massachusetts, USA | 42° 18' 42" N | 72° 12' 28" W | 29.0km (18.0 miles) | |
| Burgundy Hill Quarry, Tolland, Tolland County, Connecticut, USA | 41° 52' 2" N | 72° 23' 41" W | 30.3km (18.9 miles) | |
| Mansfield, Windham County, Connecticut, USA | 41° 47' 22" N | 72° 13' 37" W | 30.8km (19.1 miles) | |
| Dayville, Killingly, Windham County, Connecticut, USA | 41° 50' 46" N | 71° 53' 17" W | 30.9km (19.2 miles) | |
| Hampton, Windham County, Connecticut, USA | 41° 47' 2" N | 72° 3' 17" W | 31.0km (19.3 miles) | |
| Tatnuck Hill quarry, Worcester, Worcester County, Massachusetts, USA | 42° 16' 19" N | 71° 52' 27" W | 31.9km (19.8 miles) | |
Sturbridge Graphite Mine, Sturbridge, Worcester County, Massachusetts, USA