| Mackworth to Culpeper (Virginia) | 3,636.96 mi (5,853.12 km) |
| Mackworth to Culver City (California) | 5,338.45 mi (8,591.40 km) |
| Mackworth to Cumberland (Maryland) | 3,612.22 mi (5,813.30 km) |
| Mackworth to Cupertino (California) | 5,257.72 mi (8,461.48 km) |
| Mackworth to Cutler Bay (Florida) | 4,370.20 mi (7,033.16 km) |
| Mackworth to Cutlerville (Michigan) | 3,731.55 mi (6,005.35 km) |
| Mackworth to Cuyahoga Falls (Ohio) | 3,650.55 mi (5,875.00 km) |
| Mackworth to Cypress (California) | 5,337.97 mi (8,590.64 km) |
| Mackworth to Cypress Gardens (Florida) | 4,300.72 mi (6,921.35 km) |
| Mackworth to Cypress Lake (Florida) | 4,384.83 mi (7,056.70 km) |
| Mackworth to D'Iberville (Mississippi) | 4,465.33 mi (7,186.26 km) |
| Mackworth to Dakota Ridge (Colorado) | 4,590.92 mi (7,388.38 km) |
| Mackworth to Dale City (Virginia) | 3,602.61 mi (5,797.84 km) |
| Mackworth to Dallas (Georgia) | 4,129.51 mi (6,645.80 km) |
| Mackworth to Dallas (Oregon) | 4,850.74 mi (7,806.52 km) |
