| Gummersbach to Cicero (Illinois) | 4,258.05 mi (6,852.67 km) |
| Gummersbach to Cimarron Hills (Colorado) | 5,002.75 mi (8,051.15 km) |
| Gummersbach to Cincinnati (Ohio) | 4,267.26 mi (6,867.50 km) |
| Gummersbach to Cinco Ranch (Texas) | 5,177.90 mi (8,333.02 km) |
| Gummersbach to Circleville (Ohio) | 4,184.61 mi (6,734.48 km) |
| Gummersbach to Citrus (California) | 5,686.04 mi (9,150.79 km) |
| Gummersbach to Citrus Heights (California) | 5,509.32 mi (8,866.39 km) |
| Gummersbach to Citrus Park (Florida) | 4,740.81 mi (7,629.59 km) |
| Gummersbach to Claiborne (Louisiana) | 4,894.29 mi (7,876.60 km) |
| Gummersbach to Claremont (California) | 5,680.31 mi (9,141.57 km) |
| Gummersbach to Claremont (New Hampshire) | 3,600.49 mi (5,794.43 km) |
| Gummersbach to Claremore (Oklahoma) | 4,824.18 mi (7,763.77 km) |
| Gummersbach to Clarksburg (Maryland) | 3,981.09 mi (6,406.95 km) |
| Gummersbach to Clarksburg (West Virginia) | 4,098.64 mi (6,596.12 km) |
| Gummersbach to Clarksdale (Mississippi) | 4,746.35 mi (7,638.52 km) |
