| Sleaford to Crest Hill (Illinois) | 3,922.46 mi (6,312.60 km) |
| Sleaford to Crestview (Florida) | 4,402.09 mi (7,084.48 km) |
| Sleaford to Crestwood (Illinois) | 3,905.10 mi (6,284.65 km) |
| Sleaford to Crestwood (Missouri) | 4,154.54 mi (6,686.09 km) |
| Sleaford to Creve Coeur (Missouri) | 4,151.74 mi (6,681.58 km) |
| Sleaford to Crofton (Maryland) | 3,602.47 mi (5,797.61 km) |
| Sleaford to Crossville (Tennessee) | 4,078.63 mi (6,563.92 km) |
| Sleaford to Crowley (Louisiana) | 4,657.68 mi (7,495.81 km) |
| Sleaford to Crowley (Texas) | 4,723.65 mi (7,601.98 km) |
| Sleaford to Crown Point (Indiana) | 3,901.47 mi (6,278.81 km) |
| Sleaford to Crystal (Minnesota) | 3,945.12 mi (6,349.06 km) |
| Sleaford to Crystal Lake (Illinois) | 3,899.04 mi (6,274.90 km) |
| Sleaford to Cudahy (California) | 5,366.42 mi (8,636.41 km) |
| Sleaford to Cudahy (Wisconsin) | 3,847.72 mi (6,192.30 km) |
| Sleaford to Cullman (Alabama) | 4,238.05 mi (6,820.47 km) |
