| Harper Woods to Cadillac (Michigan) | 176.80 mi (284.53 km) |
| Harper Woods to Caguas (Puerto Rico) | 1,944.00 mi (3,128.57 km) |
| Harper Woods to Cahokia (Illinois) | 465.26 mi (748.77 km) |
| Harper Woods to Calabasas (California) | 2,004.77 mi (3,226.36 km) |
| Harper Woods to Caldwell (Idaho) | 1,693.56 mi (2,725.52 km) |
| Harper Woods to Caledonia (Wisconsin) | 252.71 mi (406.69 km) |
| Harper Woods to Calera (Alabama) | 676.20 mi (1,088.23 km) |
| Harper Woods to Calexico (California) | 1,892.52 mi (3,045.72 km) |
| Harper Woods to Calhoun (Georgia) | 559.76 mi (900.85 km) |
| Harper Woods to California (Maryland) | 443.20 mi (713.27 km) |
| Harper Woods to California City (California) | 1,932.78 mi (3,110.51 km) |
| Harper Woods to Callaway (Florida) | 862.51 mi (1,388.07 km) |
| Harper Woods to Calumet City (Illinois) | 243.91 mi (392.54 km) |
| Harper Woods to Calverton (Maryland) | 390.44 mi (628.35 km) |
| Harper Woods to Camano (Washington) | 1,939.40 mi (3,121.17 km) |
