| Boppard to Culpeper (Virginia) | 4,068.93 mi (6,548.31 km) |
| Boppard to Culver City (California) | 5,749.07 mi (9,252.24 km) |
| Boppard to Cumberland (Maryland) | 4,045.02 mi (6,509.83 km) |
| Boppard to Cupertino (California) | 5,656.66 mi (9,103.51 km) |
| Boppard to Cutler Bay (Florida) | 4,791.40 mi (7,711.02 km) |
| Boppard to Cutlerville (Michigan) | 4,164.18 mi (6,701.59 km) |
| Boppard to Cuyahoga Falls (Ohio) | 4,084.08 mi (6,572.70 km) |
| Boppard to Cypress (California) | 5,749.46 mi (9,252.86 km) |
| Boppard to Cypress Gardens (Florida) | 4,726.40 mi (7,606.41 km) |
| Boppard to Cypress Lake (Florida) | 4,809.11 mi (7,739.52 km) |
| Boppard to D'Iberville (Mississippi) | 4,897.79 mi (7,882.23 km) |
| Boppard to Dakota Ridge (Colorado) | 5,013.07 mi (8,067.76 km) |
| Boppard to Dale City (Virginia) | 4,034.41 mi (6,492.75 km) |
| Boppard to Dallas (Georgia) | 4,561.87 mi (7,341.62 km) |
| Boppard to Dallas (Oregon) | 5,233.69 mi (8,422.81 km) |
