| Sankt Augustin to Butzbach | 68.68 mi (110.53 km) |
| Sankt Augustin to Buxtehude | 215.27 mi (346.45 km) |
| Sankt Augustin to Cadolzburg | 186.80 mi (300.63 km) |
| Sankt Augustin to Calbe | 212.96 mi (342.72 km) |
| Sankt Augustin to Calw | 157.77 mi (253.91 km) |
| Sankt Augustin to Castrop-Rauxel | 54.19 mi (87.20 km) |
| Sankt Augustin to Celle | 178.34 mi (287.02 km) |
| Sankt Augustin to Cham | 265.26 mi (426.89 km) |
| Sankt Augustin to Chemnitz | 250.19 mi (402.64 km) |
| Sankt Augustin to Clausthal-Zellerfeld | 153.70 mi (247.35 km) |
| Sankt Augustin to Cloppenburg | 148.37 mi (238.77 km) |
| Sankt Augustin to Coburg | 169.64 mi (273.01 km) |
| Sankt Augustin to Coesfeld | 81.53 mi (131.22 km) |
| Sankt Augustin to Cologne | 15.37 mi (24.74 km) |
| Sankt Augustin to Coswig | 279.47 mi (449.76 km) |
