| Friendly to Butzbach | 4,051.14 mi (6,519.68 km) |
| Friendly to Buxtehude | 4,006.53 mi (6,447.89 km) |
| Friendly to Cadolzburg | 4,168.91 mi (6,709.21 km) |
| Friendly to Calbe | 4,130.63 mi (6,647.61 km) |
| Friendly to Calw | 4,104.08 mi (6,604.88 km) |
| Friendly to Castrop-Rauxel | 3,966.66 mi (6,383.73 km) |
| Friendly to Celle | 4,044.69 mi (6,509.31 km) |
| Friendly to Cham | 4,247.82 mi (6,836.20 km) |
| Friendly to Chemnitz | 4,207.42 mi (6,771.18 km) |
| Friendly to Clausthal-Zellerfeld | 4,077.87 mi (6,562.69 km) |
| Friendly to Cloppenburg | 3,960.49 mi (6,373.80 km) |
| Friendly to Coburg | 4,148.09 mi (6,675.71 km) |
| Friendly to Coesfeld | 3,950.05 mi (6,356.99 km) |
| Friendly to Cologne | 3,968.75 mi (6,387.08 km) |
| Friendly to Coswig | 4,223.87 mi (6,797.66 km) |
