| Covington to Butzbach | 4,334.73 mi (6,976.07 km) |
| Covington to Buxtehude | 4,272.01 mi (6,875.13 km) |
| Covington to Cadolzburg | 4,453.72 mi (7,167.57 km) |
| Covington to Calbe | 4,401.19 mi (7,083.02 km) |
| Covington to Calw | 4,396.29 mi (7,075.14 km) |
| Covington to Castrop-Rauxel | 4,246.55 mi (6,834.17 km) |
| Covington to Celle | 4,314.25 mi (6,943.11 km) |
| Covington to Cham | 4,530.56 mi (7,291.23 km) |
| Covington to Chemnitz | 4,481.52 mi (7,212.32 km) |
| Covington to Clausthal-Zellerfeld | 4,351.42 mi (7,002.94 km) |
| Covington to Cloppenburg | 4,232.10 mi (6,810.91 km) |
| Covington to Coburg | 4,428.59 mi (7,127.13 km) |
| Covington to Coesfeld | 4,228.00 mi (6,804.31 km) |
| Covington to Cologne | 4,252.51 mi (6,843.75 km) |
| Covington to Coswig | 4,495.22 mi (7,234.36 km) |
