| Boppard to Cloverly (Maryland) | 3,999.45 mi (6,436.50 km) |
| Boppard to Clovis (California) | 5,619.82 mi (9,044.22 km) |
| Boppard to Clovis (New Mexico) | 5,228.45 mi (8,414.37 km) |
| Boppard to Clute (Texas) | 5,229.43 mi (8,415.95 km) |
| Boppard to Coachella (California) | 5,699.15 mi (9,171.89 km) |
| Boppard to Coalinga (California) | 5,678.76 mi (9,139.07 km) |
| Boppard to Coamo (Puerto Rico) | 4,560.84 mi (7,339.96 km) |
| Boppard to Coatesville (Pennsylvania) | 3,912.22 mi (6,296.11 km) |
| Boppard to Cockeysville (Maryland) | 3,967.55 mi (6,385.16 km) |
| Boppard to Cocoa (Florida) | 4,668.90 mi (7,513.87 km) |
| Boppard to Cocoa Beach (Florida) | 4,665.47 mi (7,508.34 km) |
| Boppard to Coconut Creek (Florida) | 4,749.52 mi (7,643.61 km) |
| Boppard to Coeur d'Alene (Idaho) | 4,906.21 mi (7,895.78 km) |
| Boppard to Cohoes (New York) | 3,705.38 mi (5,963.23 km) |
| Boppard to Cold Springs (Nevada) | 5,458.45 mi (8,784.53 km) |
