| Crystal to Butzbach | 4,362.89 mi (7,021.40 km) |
| Crystal to Buxtehude | 4,265.36 mi (6,864.43 km) |
| Crystal to Cadolzburg | 4,481.79 mi (7,212.74 km) |
| Crystal to Calbe | 4,401.56 mi (7,083.63 km) |
| Crystal to Calw | 4,441.06 mi (7,147.19 km) |
| Crystal to Castrop-Rauxel | 4,269.17 mi (6,870.57 km) |
| Crystal to Celle | 4,314.61 mi (6,943.70 km) |
| Crystal to Cham | 4,552.69 mi (7,326.85 km) |
| Crystal to Chemnitz | 4,487.20 mi (7,221.45 km) |
| Crystal to Clausthal-Zellerfeld | 4,358.89 mi (7,014.96 km) |
| Crystal to Cloppenburg | 4,238.44 mi (6,821.11 km) |
| Crystal to Coburg | 4,448.36 mi (7,158.94 km) |
| Crystal to Coesfeld | 4,247.14 mi (6,835.11 km) |
| Crystal to Cologne | 4,282.89 mi (6,892.64 km) |
| Crystal to Coswig | 4,495.09 mi (7,234.15 km) |
