| Royston to Culpeper (Virginia) | 3,716.16 mi (5,980.58 km) |
| Royston to Culver City (California) | 5,426.55 mi (8,733.19 km) |
| Royston to Cumberland (Maryland) | 3,692.46 mi (5,942.44 km) |
| Royston to Cupertino (California) | 5,345.84 mi (8,603.30 km) |
| Royston to Cutler Bay (Florida) | 4,442.36 mi (7,149.28 km) |
| Royston to Cutlerville (Michigan) | 3,815.76 mi (6,140.88 km) |
| Royston to Cuyahoga Falls (Ohio) | 3,732.69 mi (6,007.19 km) |
| Royston to Cypress (California) | 5,426.06 mi (8,732.39 km) |
| Royston to Cypress Gardens (Florida) | 4,375.29 mi (7,041.34 km) |
| Royston to Cypress Lake (Florida) | 4,458.61 mi (7,175.43 km) |
| Royston to D'Iberville (Mississippi) | 4,545.09 mi (7,314.62 km) |
| Royston to Dakota Ridge (Colorado) | 4,678.30 mi (7,528.99 km) |
| Royston to Dale City (Virginia) | 3,681.63 mi (5,925.01 km) |
| Royston to Dallas (Georgia) | 4,209.16 mi (6,773.98 km) |
| Royston to Dallas (Oregon) | 4,938.23 mi (7,947.32 km) |
