| Gummersbach to Caguas (Puerto Rico) | 4,538.01 mi (7,303.21 km) |
| Gummersbach to Cahokia (Illinois) | 4,509.35 mi (7,257.09 km) |
| Gummersbach to Calabasas (California) | 5,707.70 mi (9,185.65 km) |
| Gummersbach to Caldwell (Idaho) | 5,092.14 mi (8,195.01 km) |
| Gummersbach to Caledonia (Wisconsin) | 4,216.13 mi (6,785.21 km) |
| Gummersbach to Calera (Alabama) | 4,652.60 mi (7,487.64 km) |
| Gummersbach to Calexico (California) | 5,697.80 mi (9,169.73 km) |
| Gummersbach to Calhoun (Georgia) | 4,512.83 mi (7,262.69 km) |
| Gummersbach to California (Maryland) | 3,993.42 mi (6,426.78 km) |
| Gummersbach to California City (California) | 5,623.95 mi (9,050.87 km) |
| Gummersbach to Callaway (Florida) | 4,757.52 mi (7,656.49 km) |
| Gummersbach to Calumet City (Illinois) | 4,261.61 mi (6,858.40 km) |
| Gummersbach to Calverton (Maryland) | 3,976.22 mi (6,399.10 km) |
| Gummersbach to Camano (Washington) | 4,971.54 mi (8,000.91 km) |
| Gummersbach to Camarillo (California) | 5,713.21 mi (9,194.52 km) |
