| Gummersbach to Carlsbad (New Mexico) | 5,342.75 mi (8,598.33 km) |
| Gummersbach to Carmel (Indiana) | 4,289.48 mi (6,903.25 km) |
| Gummersbach to Carmichael (California) | 5,514.12 mi (8,874.12 km) |
| Gummersbach to Carney (Maryland) | 3,943.25 mi (6,346.05 km) |
| Gummersbach to Carnot-Moon (Pennsylvania) | 4,036.72 mi (6,496.47 km) |
| Gummersbach to Carol Stream (Illinois) | 4,268.06 mi (6,868.77 km) |
| Gummersbach to Carolina (Puerto Rico) | 4,526.44 mi (7,284.59 km) |
| Gummersbach to Carolina Forest (South Carolina) | 4,307.23 mi (6,931.82 km) |
| Gummersbach to Carpentersville (Illinois) | 4,263.90 mi (6,862.09 km) |
| Gummersbach to Carpinteria (California) | 5,716.79 mi (9,200.28 km) |
| Gummersbach to Carrboro (North Carolina) | 4,209.69 mi (6,774.84 km) |
| Gummersbach to Carroll (Iowa) | 4,500.45 mi (7,242.78 km) |
| Gummersbach to Carrollton (Georgia) | 4,564.06 mi (7,345.15 km) |
| Gummersbach to Carrollton (Texas) | 5,047.15 mi (8,122.60 km) |
| Gummersbach to Carrollwood (Florida) | 4,739.61 mi (7,627.67 km) |
