| Dayton to Butzbach | 4,286.67 mi (6,898.73 km) |
| Dayton to Buxtehude | 4,222.55 mi (6,795.53 km) |
| Dayton to Cadolzburg | 4,405.73 mi (7,090.33 km) |
| Dayton to Calbe | 4,352.06 mi (7,003.96 km) |
| Dayton to Calw | 4,348.98 mi (6,999.00 km) |
| Dayton to Castrop-Rauxel | 4,198.21 mi (6,756.37 km) |
| Dayton to Celle | 4,265.07 mi (6,863.96 km) |
| Dayton to Cham | 4,482.36 mi (7,213.67 km) |
| Dayton to Chemnitz | 4,432.64 mi (7,133.65 km) |
| Dayton to Clausthal-Zellerfeld | 4,302.54 mi (6,924.27 km) |
| Dayton to Cloppenburg | 4,183.10 mi (6,732.06 km) |
| Dayton to Coburg | 4,380.24 mi (7,049.32 km) |
| Dayton to Coesfeld | 4,179.51 mi (6,726.27 km) |
| Dayton to Cologne | 4,204.49 mi (6,766.47 km) |
| Dayton to Coswig | 4,446.12 mi (7,155.34 km) |
