| Slough to Culpeper (Virginia) | 3,704.84 mi (5,962.37 km) |
| Slough to Culver City (California) | 5,433.22 mi (8,743.93 km) |
| Slough to Cumberland (Maryland) | 3,682.34 mi (5,926.15 km) |
| Slough to Cupertino (California) | 5,355.85 mi (8,619.42 km) |
| Slough to Cutler Bay (Florida) | 4,424.37 mi (7,120.33 km) |
| Slough to Cutlerville (Michigan) | 3,811.12 mi (6,133.40 km) |
| Slough to Cuyahoga Falls (Ohio) | 3,724.94 mi (5,994.72 km) |
| Slough to Cypress (California) | 5,432.45 mi (8,742.69 km) |
| Slough to Cypress Gardens (Florida) | 4,359.32 mi (7,015.65 km) |
| Slough to Cypress Lake (Florida) | 4,441.95 mi (7,148.63 km) |
| Slough to D'Iberville (Mississippi) | 4,534.28 mi (7,297.22 km) |
| Slough to Dakota Ridge (Colorado) | 4,680.86 mi (7,533.12 km) |
| Slough to Dale City (Virginia) | 3,670.12 mi (5,906.49 km) |
| Slough to Dallas (Georgia) | 4,198.26 mi (6,756.45 km) |
| Slough to Dallas (Oregon) | 4,952.07 mi (7,969.58 km) |
