| Sidney to Butzbach | 4,261.05 mi (6,857.50 km) |
| Sidney to Buxtehude | 4,195.55 mi (6,752.09 km) |
| Sidney to Cadolzburg | 4,380.17 mi (7,049.20 km) |
| Sidney to Calbe | 4,325.39 mi (6,961.05 km) |
| Sidney to Calw | 4,324.07 mi (6,958.91 km) |
| Sidney to Castrop-Rauxel | 4,172.33 mi (6,714.71 km) |
| Sidney to Celle | 4,238.36 mi (6,820.98 km) |
| Sidney to Cham | 4,456.61 mi (7,172.22 km) |
| Sidney to Chemnitz | 4,406.22 mi (7,091.13 km) |
| Sidney to Clausthal-Zellerfeld | 4,276.12 mi (6,881.75 km) |
| Sidney to Cloppenburg | 4,156.58 mi (6,689.37 km) |
| Sidney to Coburg | 4,354.34 mi (7,007.64 km) |
| Sidney to Coesfeld | 4,153.48 mi (6,684.38 km) |
| Sidney to Cologne | 4,178.92 mi (6,725.32 km) |
| Sidney to Coswig | 4,419.49 mi (7,112.48 km) |
