| Sleaford to Caño Martin Peña (Puerto Rico) | 4,200.13 mi (6,759.46 km) |
| Sleaford to Cañon City (Colorado) | 4,692.23 mi (7,551.41 km) |
| Sleaford to Canóvanas (Puerto Rico) | 4,197.28 mi (6,754.86 km) |
| Sleaford to Canton (Georgia) | 4,142.14 mi (6,666.13 km) |
| Sleaford to Canton (Illinois) | 4,042.95 mi (6,506.51 km) |
| Sleaford to Canton (Mississippi) | 4,442.94 mi (7,150.22 km) |
| Sleaford to Canton (Ohio) | 3,702.90 mi (5,959.24 km) |
| Sleaford to Canyon (Texas) | 4,762.22 mi (7,664.05 km) |
| Sleaford to Canyon Lake (California) | 5,353.35 mi (8,615.38 km) |
| Sleaford to Canyon Lake (Texas) | 4,901.56 mi (7,888.30 km) |
| Sleaford to Cape Coral (Florida) | 4,428.55 mi (7,127.07 km) |
| Sleaford to Cape Girardeau (Missouri) | 4,185.76 mi (6,736.33 km) |
| Sleaford to Carbondale (Illinois) | 4,152.51 mi (6,682.82 km) |
| Sleaford to Carlisle (Pennsylvania) | 3,568.45 mi (5,742.86 km) |
| Sleaford to Carlsbad (California) | 5,386.57 mi (8,668.85 km) |
