| California to Butzbach | 4,053.69 mi (6,523.79 km) |
| California to Buxtehude | 4,011.62 mi (6,456.07 km) |
| California to Cadolzburg | 4,171.21 mi (6,712.92 km) |
| California to Calbe | 4,134.95 mi (6,654.56 km) |
| California to Calw | 4,105.35 mi (6,606.91 km) |
| California to Castrop-Rauxel | 3,969.79 mi (6,388.76 km) |
| California to Celle | 4,049.21 mi (6,516.57 km) |
| California to Cham | 4,250.38 mi (6,840.32 km) |
| California to Chemnitz | 4,211.21 mi (6,777.28 km) |
| California to Clausthal-Zellerfeld | 4,081.81 mi (6,569.04 km) |
| California to Cloppenburg | 3,964.78 mi (6,380.69 km) |
| California to Coburg | 4,151.02 mi (6,680.42 km) |
| California to Coesfeld | 3,953.45 mi (6,362.47 km) |
| California to Cologne | 3,971.32 mi (6,391.22 km) |
| California to Coswig | 4,228.03 mi (6,804.36 km) |
