| Gummersbach to Cloverly (Maryland) | 3,975.98 mi (6,398.72 km) |
| Gummersbach to Clovis (California) | 5,576.79 mi (8,974.98 km) |
| Gummersbach to Clovis (New Mexico) | 5,194.13 mi (8,359.14 km) |
| Gummersbach to Clute (Texas) | 5,202.20 mi (8,372.13 km) |
| Gummersbach to Coachella (California) | 5,658.76 mi (9,106.90 km) |
| Gummersbach to Coalinga (California) | 5,635.67 mi (9,069.74 km) |
| Gummersbach to Coamo (Puerto Rico) | 4,560.18 mi (7,338.89 km) |
| Gummersbach to Coatesville (Pennsylvania) | 3,888.68 mi (6,258.23 km) |
| Gummersbach to Cockeysville (Maryland) | 3,943.99 mi (6,347.24 km) |
| Gummersbach to Cocoa (Florida) | 4,650.98 mi (7,485.03 km) |
| Gummersbach to Cocoa Beach (Florida) | 4,647.67 mi (7,479.71 km) |
| Gummersbach to Coconut Creek (Florida) | 4,733.40 mi (7,617.67 km) |
| Gummersbach to Coeur d'Alene (Idaho) | 4,860.80 mi (7,822.70 km) |
| Gummersbach to Cohoes (New York) | 3,680.65 mi (5,923.43 km) |
| Gummersbach to Cold Springs (Nevada) | 5,414.42 mi (8,713.66 km) |
