| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| Bröleck, Ruppichteroth, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany | 50° 50' 34" N | 7° 25' 10" E | 4.5km (2.8 miles) | |
| Wirtenbach, Nümbrecht, Oberbergischer Kreis, Cologne, North Rhine-Westphalia, Germany | 50° 53' 19" N | 7° 34' 2" E | 7.7km (4.8 miles) | |
| Schmelze, Eitorf, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany | 50° 46' 50" N | 7° 26' 4" E | 7.8km (4.9 miles) | |
| Büschhof Quarry (Schretzmair Quarry), Wirtenbach, Nümbrecht, Oberbergischer Kreis, Cologne, North Rhine-Westphalia, Germany | 50° 53' 39" N | 7° 34' 20" E | 8.4km (5.2 miles) | |
| Aurora mine, Wellerscheid, Much, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany | 50° 55' 51" N | 7° 26' 5" E | 10.3km (6.4 miles) | |
| Merten, Eitorf, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany | 50° 46' 1" N | 7° 23' 42" E | 10.6km (6.6 miles) | |
| Öttershagen, Windeck, Rheinisch-Bergischer Kreis, Cologne, North Rhine-Westphalia, Germany | 50° 49' 12" N | 7° 38' 4" E | 10.9km (6.8 miles) | |
| Silberhardt Mine, Öttershagen, Windeck, Rheinisch-Bergischer Kreis, Cologne, North Rhine-Westphalia, Germany | 50° 49' 23" N | 7° 38' 31" E | 11.3km (7.0 miles) | |
| Nikolaus mine (Nicolaus mine), Marialinden, Overath, Rheinisch-Bergischer Kreis, Cologne, North Rhine-Westphalia, Germany | 50° 54' 54" N | 7° 20' 56" E | 12.4km (7.7 miles) | |
| Heckhaus, Engelskirchen, Oberbergischer Kreis, Cologne, North Rhine-Westphalia, Germany | 50° 56' 40" N | 7° 24' 25" E | 12.5km (7.7 miles) | |
| Imhausen quarry, Windeck, Rheinisch-Bergischer Kreis, Cologne, North Rhine-Westphalia, Germany | 50° 46' 14" N | 7° 37' 17" E | 12.6km (7.8 miles) | |
| Silberkaule Mine, Heckhaus, Engelskirchen, Oberbergischer Kreis, Cologne, North Rhine-Westphalia, Germany | 50° 57' 1" N | 7° 24' 21" E | 13.1km (8.1 miles) | |
| Hohe Grete mine, Pracht, Hamm (Sieg), Altenkirchen, Rhineland-Palatinate, Germany | 50° 45' 52" N | 7° 38' 18" E | 13.9km (8.7 miles) | |
| Marialinden, Overath, Rheinisch-Bergischer Kreis, Cologne, North Rhine-Westphalia, Germany | 50° 55' 56" N | 7° 19' 24" E | 15.0km (9.3 miles) | |
| Steel works, Weiershagen, Wiehl, Oberbergischer Kreis, Cologne, North Rhine-Westphalia, Germany | 50° 58' 46" N | 7° 29' 9" E | 15.1km (9.4 miles) | |
| Heinrichshütte, Hamm, Hamm (Sieg), Altenkirchen, Rhineland-Palatinate, Germany | 50° 45' 58" N | 7° 39' 41" E | 15.1km (9.4 miles) | |
| Kohlmeier greywacke quarry, Engelskirchen, Oberbergischer Kreis, Cologne, North Rhine-Westphalia, Germany | 50° 59' 4" N | 7° 29' 0" E | 15.7km (9.7 miles) | |
| Dieringhausen, Gummersbach, Oberbergischer Kreis, Cologne, North Rhine-Westphalia, Germany | 50° 58' 59" N | 7° 31' 22" E | 15.7km (9.8 miles) | |
| Bliesenbach Mine, Loope, Engelskirchen, Oberbergischer Kreis, Cologne, North Rhine-Westphalia, Germany | 50° 58' 36" N | 7° 23' 37" E | 16.1km (10.0 miles) | |
| Emilie II mine, Heischeid, Reichshof, Oberbergischer Kreis, Cologne, North Rhine-Westphalia, Germany | 50° 56' 30" N | 7° 39' 13" E | 16.2km (10.0 miles) | |
| Heischeid, Reichshof, Oberbergischer Kreis, Cologne, North Rhine-Westphalia, Germany | 50° 56' 28" N | 7° 39' 26" E | 16.3km (10.1 miles) | |
| Loope, Engelskirchen, Oberbergischer Kreis, Cologne, North Rhine-Westphalia, Germany | 50° 58' 20" N | 7° 21' 56" E | 16.6km (10.3 miles) | |
| Kurenbach, Hennef, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany | 50° 44' 20" N | 7° 18' 43" E | 16.8km (10.4 miles) | |
| Aggertal cave, Ründeroth, Engelskirchen, Oberbergischer Kreis, Cologne, North Rhine-Westphalia, Germany | 50° 59' 37" N | 7° 26' 55" E | 16.9km (10.5 miles) | |
| Windloch im Mühlenberg cave, Ründeroth, Engelskirchen, Oberbergischer Kreis, Cologne, North Rhine-Westphalia, Germany | 50° 59' 39" N | 7° 27' 2" E | 16.9km (10.5 miles) | |
| Oberscheid, Eitorf, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany | 50° 41' 46" N | 7° 24' 42" E | 17.1km (10.7 miles) | |
| Silistra Mine (Silistria Mine), Kurenbach, Hennef, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany | 50° 44' 3" N | 7° 18' 25" E | 17.4km (10.8 miles) | |
| Louise lead smelter, Buchholz, Asbach, Neuwied, Rhineland-Palatinate, Germany | 50° 41' 46" N | 7° 22' 37" E | 18.0km (11.2 miles) | |
| Castor Mine, Loope, Engelskirchen, Oberbergischer Kreis, Cologne, North Rhine-Westphalia, Germany | 50° 58' 50" N | 7° 20' 40" E | 18.1km (11.2 miles) | |
| Altglück Mine, Bennerscheid, Königswinter, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany | 50° 42' 27" N | 7° 19' 49" E | 18.6km (11.6 miles) | |
Büschhof Quarry, Wirtenbach, Nümbrecht, Oberbergischer Kreis, Cologne, North Rhine-Westphalia, Germany