| Harper Woods to Butzbach | 4,112.76 mi (6,618.85 km) |
| Harper Woods to Buxtehude | 4,043.68 mi (6,507.67 km) |
| Harper Woods to Cadolzburg | 4,232.01 mi (6,810.76 km) |
| Harper Woods to Calbe | 4,174.33 mi (6,717.93 km) |
| Harper Woods to Calw | 4,177.71 mi (6,723.37 km) |
| Harper Woods to Castrop-Rauxel | 4,023.33 mi (6,474.93 km) |
| Harper Woods to Celle | 4,087.20 mi (6,577.71 km) |
| Harper Woods to Cham | 4,307.90 mi (6,932.89 km) |
| Harper Woods to Chemnitz | 4,255.76 mi (6,848.99 km) |
| Harper Woods to Clausthal-Zellerfeld | 4,125.70 mi (6,639.67 km) |
| Harper Woods to Cloppenburg | 4,005.91 mi (6,446.89 km) |
| Harper Woods to Coburg | 4,205.26 mi (6,767.72 km) |
| Harper Woods to Coesfeld | 4,004.10 mi (6,443.98 km) |
| Harper Woods to Cologne | 4,030.77 mi (6,486.89 km) |
| Harper Woods to Coswig | 4,268.47 mi (6,869.45 km) |
