| Sundern to Butzbach | 67.31 mi (108.32 km) |
| Sundern to Buxtehude | 165.58 mi (266.48 km) |
| Sundern to Cadolzburg | 180.49 mi (290.47 km) |
| Sundern to Calbe | 166.98 mi (268.73 km) |
| Sundern to Calw | 182.57 mi (293.81 km) |
| Sundern to Castrop-Rauxel | 33.56 mi (54.01 km) |
| Sundern to Celle | 126.62 mi (203.78 km) |
| Sundern to Cham | 251.38 mi (404.55 km) |
| Sundern to Chemnitz | 216.00 mi (347.61 km) |
| Sundern to Clausthal-Zellerfeld | 105.84 mi (170.33 km) |
| Sundern to Cloppenburg | 105.96 mi (170.53 km) |
| Sundern to Coburg | 148.49 mi (238.97 km) |
| Sundern to Coesfeld | 56.49 mi (90.92 km) |
| Sundern to Cologne | 52.46 mi (84.43 km) |
| Sundern to Coswig | 241.87 mi (389.25 km) |