| Sleaford to Carlsbad (New Mexico) | 4,985.27 mi (8,023.01 km) |
| Sleaford to Carmel (Indiana) | 3,925.86 mi (6,318.07 km) |
| Sleaford to Carmichael (California) | 5,189.33 mi (8,351.42 km) |
| Sleaford to Carney (Maryland) | 3,578.16 mi (5,758.49 km) |
| Sleaford to Carnot-Moon (Pennsylvania) | 3,671.78 mi (5,909.16 km) |
| Sleaford to Carol Stream (Illinois) | 3,906.56 mi (6,287.00 km) |
| Sleaford to Carolina (Puerto Rico) | 4,198.56 mi (6,756.92 km) |
| Sleaford to Carolina Forest (South Carolina) | 3,943.21 mi (6,345.98 km) |
| Sleaford to Carpentersville (Illinois) | 3,902.65 mi (6,280.71 km) |
| Sleaford to Carpinteria (California) | 5,382.39 mi (8,662.12 km) |
| Sleaford to Carrboro (North Carolina) | 3,844.90 mi (6,187.77 km) |
| Sleaford to Carroll (Iowa) | 4,143.73 mi (6,668.69 km) |
| Sleaford to Carrollton (Georgia) | 4,198.90 mi (6,757.48 km) |
| Sleaford to Carrollton (Texas) | 4,684.78 mi (7,539.42 km) |
| Sleaford to Carrollwood (Florida) | 4,376.74 mi (7,043.68 km) |
