| Boppard to Cottage Grove (Oregon) | 5,294.82 mi (8,521.20 km) |
| Boppard to Cottage Lake (Washington) | 5,035.55 mi (8,103.94 km) |
| Boppard to Cottonwood (Arizona) | 5,509.43 mi (8,866.57 km) |
| Boppard to Cottonwood Heights (Utah) | 5,169.26 mi (8,319.11 km) |
| Boppard to Council Bluffs (Iowa) | 4,611.57 mi (7,421.61 km) |
| Boppard to Country Club (Florida) | 4,771.96 mi (7,679.73 km) |
| Boppard to Country Club Hills (Illinois) | 4,301.09 mi (6,921.93 km) |
| Boppard to Country Walk (Florida) | 4,792.80 mi (7,713.26 km) |
| Boppard to Covina (California) | 5,728.68 mi (9,219.41 km) |
| Boppard to Covington (Georgia) | 4,537.11 mi (7,301.77 km) |
| Boppard to Covington (Kentucky) | 4,300.26 mi (6,920.60 km) |
| Boppard to Covington (Louisiana) | 4,945.62 mi (7,959.21 km) |
| Boppard to Covington (Washington) | 5,058.76 mi (8,141.28 km) |
| Boppard to Cranston (Rhode Island) | 3,659.09 mi (5,888.73 km) |
| Boppard to Crawfordsville (Indiana) | 4,343.13 mi (6,989.59 km) |
