| Killingworth to Butzbach | 531.63 mi (855.58 km) |
| Killingworth to Buxtehude | 466.33 mi (750.49 km) |
| Killingworth to Cadolzburg | 650.37 mi (1,046.67 km) |
| Killingworth to Calbe | 588.24 mi (946.67 km) |
| Killingworth to Calw | 617.70 mi (994.09 km) |
| Killingworth to Castrop-Rauxel | 437.85 mi (704.65 km) |
| Killingworth to Celle | 502.15 mi (808.13 km) |
| Killingworth to Cham | 722.18 mi (1,162.24 km) |
| Killingworth to Chemnitz | 667.22 mi (1,073.78 km) |
| Killingworth to Clausthal-Zellerfeld | 537.12 mi (864.42 km) |
| Killingworth to Cloppenburg | 418.31 mi (673.21 km) |
| Killingworth to Coburg | 618.28 mi (995.02 km) |
| Killingworth to Coesfeld | 416.58 mi (670.42 km) |
| Killingworth to Cologne | 452.60 mi (728.40 km) |
| Killingworth to Coswig | 681.82 mi (1,097.29 km) |
