| Sleaford to Culpeper (Virginia) | 3,680.30 mi (5,922.88 km) |
| Sleaford to Culver City (California) | 5,370.61 mi (8,643.16 km) |
| Sleaford to Cumberland (Maryland) | 3,655.03 mi (5,882.21 km) |
| Sleaford to Cupertino (California) | 5,287.16 mi (8,508.86 km) |
| Sleaford to Cutler Bay (Florida) | 4,415.85 mi (7,106.63 km) |
| Sleaford to Cutlerville (Michigan) | 3,771.55 mi (6,069.73 km) |
| Sleaford to Cuyahoga Falls (Ohio) | 3,692.23 mi (5,942.07 km) |
| Sleaford to Cypress (California) | 5,370.35 mi (8,642.75 km) |
| Sleaford to Cypress Gardens (Florida) | 4,345.76 mi (6,993.82 km) |
| Sleaford to Cypress Lake (Florida) | 4,430.08 mi (7,129.52 km) |
| Sleaford to D'Iberville (Mississippi) | 4,508.36 mi (7,255.51 km) |
| Sleaford to Dakota Ridge (Colorado) | 4,626.23 mi (7,445.20 km) |
| Sleaford to Dale City (Virginia) | 3,646.04 mi (5,867.73 km) |
| Sleaford to Dallas (Georgia) | 4,172.61 mi (6,715.17 km) |
| Sleaford to Dallas (Oregon) | 4,876.81 mi (7,848.47 km) |
