| Champaign to Butzbach | 4,424.08 mi (7,119.86 km) |
| Champaign to Buxtehude | 4,350.01 mi (7,000.67 km) |
| Champaign to Cadolzburg | 4,543.42 mi (7,311.93 km) |
| Champaign to Calbe | 4,481.89 mi (7,212.90 km) |
| Champaign to Calw | 4,491.06 mi (7,227.66 km) |
| Champaign to Castrop-Rauxel | 4,333.85 mi (6,974.66 km) |
| Champaign to Celle | 4,394.66 mi (7,072.52 km) |
| Champaign to Cham | 4,618.63 mi (7,432.96 km) |
| Champaign to Chemnitz | 4,564.19 mi (7,345.35 km) |
| Champaign to Clausthal-Zellerfeld | 4,434.24 mi (7,136.22 km) |
| Champaign to Cloppenburg | 4,314.15 mi (6,942.96 km) |
| Champaign to Coburg | 4,515.58 mi (7,267.13 km) |
| Champaign to Coesfeld | 4,314.13 mi (6,942.92 km) |
| Champaign to Cologne | 4,342.28 mi (6,988.23 km) |
| Champaign to Coswig | 4,576.06 mi (7,364.46 km) |
