| Boppard to Coldwater (Michigan) | 4,180.77 mi (6,728.30 km) |
| Boppard to Colesville (Maryland) | 4,001.04 mi (6,439.04 km) |
| Boppard to College (Alaska) | 4,375.71 mi (7,042.02 km) |
| Boppard to College Park (Georgia) | 4,560.47 mi (7,339.36 km) |
| Boppard to College Park (Maryland) | 4,001.83 mi (6,440.32 km) |
| Boppard to College Station (Texas) | 5,181.55 mi (8,338.90 km) |
| Boppard to Collegedale (Tennessee) | 4,514.13 mi (7,264.78 km) |
| Boppard to Colleyville (Texas) | 5,091.87 mi (8,194.57 km) |
| Boppard to Collierville (Tennessee) | 4,696.93 mi (7,558.98 km) |
| Boppard to Collinsville (Illinois) | 4,527.24 mi (7,285.89 km) |
| Boppard to Colonia (New Jersey) | 3,824.48 mi (6,154.90 km) |
| Boppard to Colonial Heights (Virginia) | 4,100.24 mi (6,598.70 km) |
| Boppard to Colonial Park (Pennsylvania) | 3,937.75 mi (6,337.19 km) |
| Boppard to Colorado Springs (Colorado) | 5,041.51 mi (8,113.52 km) |
| Boppard to Colton (California) | 5,714.04 mi (9,195.86 km) |
