| Boppard to Clermont (Florida) | 4,701.38 mi (7,566.14 km) |
| Boppard to Cleveland (Mississippi) | 4,802.86 mi (7,729.46 km) |
| Boppard to Cleveland (Ohio) | 4,075.89 mi (6,559.52 km) |
| Boppard to Cleveland (Tennessee) | 4,500.70 mi (7,243.18 km) |
| Boppard to Cleveland Heights (Ohio) | 4,069.77 mi (6,549.66 km) |
| Boppard to Cliffside Park (New Jersey) | 3,801.17 mi (6,117.40 km) |
| Boppard to Clifton (Colorado) | 5,150.81 mi (8,289.42 km) |
| Boppard to Clifton (New Jersey) | 3,806.23 mi (6,125.53 km) |
| Boppard to Clinton (Iowa) | 4,380.26 mi (7,049.35 km) |
| Boppard to Clinton (Maryland) | 4,011.95 mi (6,456.61 km) |
| Boppard to Clinton (Mississippi) | 4,858.62 mi (7,819.20 km) |
| Boppard to Clinton (Utah) | 5,147.16 mi (8,283.56 km) |
| Boppard to Clive (Iowa) | 4,519.81 mi (7,273.93 km) |
| Boppard to Cloquet (Minnesota) | 4,223.70 mi (6,797.39 km) |
| Boppard to Cloverleaf (Texas) | 5,180.41 mi (8,337.07 km) |
