| Sleaford to Centralia (Illinois) | 4,109.02 mi (6,612.83 km) |
| Sleaford to Centralia (Washington) | 4,763.18 mi (7,665.59 km) |
| Sleaford to Centreville (Virginia) | 3,640.78 mi (5,859.27 km) |
| Sleaford to Ceres (California) | 5,239.28 mi (8,431.81 km) |
| Sleaford to Cerritos (California) | 5,368.36 mi (8,639.54 km) |
| Sleaford to Chalco (Nebraska) | 4,233.41 mi (6,813.02 km) |
| Sleaford to Chalmette (Louisiana) | 4,577.69 mi (7,367.08 km) |
| Sleaford to Chambersburg (Pennsylvania) | 3,598.64 mi (5,791.45 km) |
| Sleaford to Chamblee (Georgia) | 4,152.77 mi (6,683.24 km) |
| Sleaford to Champaign (Illinois) | 3,998.97 mi (6,435.72 km) |
| Sleaford to Champlin (Minnesota) | 3,939.79 mi (6,340.48 km) |
| Sleaford to Chandler (Arizona) | 5,200.34 mi (8,369.14 km) |
| Sleaford to Chanhassen (Minnesota) | 3,961.04 mi (6,374.67 km) |
| Sleaford to Channahon (Illinois) | 3,935.22 mi (6,333.13 km) |
| Sleaford to Channelview (Texas) | 4,786.09 mi (7,702.47 km) |
