| Castaic to Butzbach | 5,748.82 mi (9,251.84 km) |
| Castaic to Buxtehude | 5,619.57 mi (9,043.82 km) |
| Castaic to Cadolzburg | 5,864.32 mi (9,437.71 km) |
| Castaic to Calbe | 5,758.69 mi (9,267.72 km) |
| Castaic to Calw | 5,840.28 mi (9,399.03 km) |
| Castaic to Castrop-Rauxel | 5,652.49 mi (9,096.80 km) |
| Castaic to Celle | 5,674.51 mi (9,132.24 km) |
| Castaic to Cham | 5,927.42 mi (9,539.25 km) |
| Castaic to Chemnitz | 5,847.15 mi (9,410.09 km) |
| Castaic to Clausthal-Zellerfeld | 5,724.65 mi (9,212.93 km) |
| Castaic to Cloppenburg | 5,606.80 mi (9,023.27 km) |
| Castaic to Coburg | 5,823.73 mi (9,372.39 km) |
| Castaic to Coesfeld | 5,627.77 mi (9,057.02 km) |
| Castaic to Cologne | 5,673.12 mi (9,130.00 km) |
| Castaic to Coswig | 5,848.71 mi (9,412.58 km) |
