| Rocky River to Butzbach | 4,117.01 mi (6,625.69 km) |
| Rocky River to Buxtehude | 4,053.14 mi (6,522.89 km) |
| Rocky River to Cadolzburg | 4,236.07 mi (6,817.30 km) |
| Rocky River to Calbe | 4,182.53 mi (6,731.13 km) |
| Rocky River to Calw | 4,179.42 mi (6,726.13 km) |
| Rocky River to Castrop-Rauxel | 4,028.55 mi (6,483.33 km) |
| Rocky River to Celle | 4,095.56 mi (6,591.16 km) |
| Rocky River to Cham | 4,312.71 mi (6,940.63 km) |
| Rocky River to Chemnitz | 4,263.05 mi (6,860.72 km) |
| Rocky River to Clausthal-Zellerfeld | 4,132.95 mi (6,651.34 km) |
| Rocky River to Cloppenburg | 4,013.54 mi (6,459.17 km) |
| Rocky River to Coburg | 4,210.59 mi (6,776.28 km) |
| Rocky River to Coesfeld | 4,009.86 mi (6,453.25 km) |
| Rocky River to Cologne | 4,034.83 mi (6,493.44 km) |
| Rocky River to Coswig | 4,276.59 mi (6,882.50 km) |
