| Sleaford to Clarkston (Georgia) | 4,154.00 mi (6,685.22 km) |
| Sleaford to Clarksville (Indiana) | 3,990.97 mi (6,422.85 km) |
| Sleaford to Clarksville (Tennessee) | 4,137.83 mi (6,659.19 km) |
| Sleaford to Clawson (Michigan) | 3,690.87 mi (5,939.89 km) |
| Sleaford to Clay (Alabama) | 4,253.28 mi (6,845.00 km) |
| Sleaford to Clayton (California) | 5,247.20 mi (8,444.55 km) |
| Sleaford to Clayton (Missouri) | 4,148.39 mi (6,676.20 km) |
| Sleaford to Clayton (North Carolina) | 3,832.24 mi (6,167.39 km) |
| Sleaford to Clayton (Ohio) | 3,861.15 mi (6,213.92 km) |
| Sleaford to Clearfield (Utah) | 4,769.11 mi (7,675.14 km) |
| Sleaford to Clearlake (California) | 5,207.49 mi (8,380.64 km) |
| Sleaford to Clearwater (Florida) | 4,390.86 mi (7,066.40 km) |
| Sleaford to Cleburne (Texas) | 4,737.49 mi (7,624.25 km) |
| Sleaford to Clemmons (North Carolina) | 3,891.57 mi (6,262.87 km) |
| Sleaford to Clemson (South Carolina) | 4,054.02 mi (6,524.32 km) |
