| Knowle to Culpeper (Virginia) | 3,639.98 mi (5,857.98 km) |
| Knowle to Culver City (California) | 5,356.56 mi (8,620.55 km) |
| Knowle to Cumberland (Maryland) | 3,616.29 mi (5,819.86 km) |
| Knowle to Cupertino (California) | 5,278.36 mi (8,494.70 km) |
| Knowle to Cutler Bay (Florida) | 4,367.20 mi (7,028.32 km) |
| Knowle to Cutlerville (Michigan) | 3,740.41 mi (6,019.61 km) |
| Knowle to Cuyahoga Falls (Ohio) | 3,656.73 mi (5,884.94 km) |
| Knowle to Cypress (California) | 5,355.88 mi (8,619.45 km) |
| Knowle to Cypress Gardens (Florida) | 4,299.60 mi (6,919.54 km) |
| Knowle to Cypress Lake (Florida) | 4,383.08 mi (7,053.88 km) |
| Knowle to D'Iberville (Mississippi) | 4,468.91 mi (7,192.02 km) |
| Knowle to Dakota Ridge (Colorado) | 4,605.80 mi (7,412.32 km) |
| Knowle to Dale City (Virginia) | 3,605.45 mi (5,802.41 km) |
| Knowle to Dallas (Georgia) | 4,132.97 mi (6,651.38 km) |
| Knowle to Dallas (Oregon) | 4,874.18 mi (7,844.24 km) |
