| Sleaford to Corinth (Mississippi) | 4,264.36 mi (6,862.82 km) |
| Sleaford to Corinth (Texas) | 4,682.92 mi (7,536.44 km) |
| Sleaford to Cornelius (North Carolina) | 3,938.50 mi (6,338.41 km) |
| Sleaford to Cornelius (Oregon) | 4,835.20 mi (7,781.50 km) |
| Sleaford to Corning (New York) | 3,474.34 mi (5,591.40 km) |
| Sleaford to Corona (California) | 5,352.91 mi (8,614.67 km) |
| Sleaford to Coronado (California) | 5,409.20 mi (8,705.27 km) |
| Sleaford to Corpus Christi (Texas) | 4,983.36 mi (8,019.94 km) |
| Sleaford to Corsicana (Texas) | 4,716.35 mi (7,590.24 km) |
| Sleaford to Cortland (New York) | 3,419.89 mi (5,503.79 km) |
| Sleaford to Corvallis (Oregon) | 4,896.45 mi (7,880.07 km) |
| Sleaford to Coshocton (Ohio) | 3,747.00 mi (6,030.22 km) |
| Sleaford to Costa Mesa (California) | 5,375.14 mi (8,650.45 km) |
| Sleaford to Coto de Caza (California) | 5,368.92 mi (8,640.45 km) |
| Sleaford to Cottage Grove (Minnesota) | 3,940.65 mi (6,341.86 km) |
