| Royston to Dixon (Illinois) | 4,005.42 mi (6,446.10 km) |
| Royston to Dobbs Ferry (New York) | 3,435.28 mi (5,528.55 km) |
| Royston to Doctor Phillips (Florida) | 4,344.80 mi (6,992.27 km) |
| Royston to Dodge City (Kansas) | 4,595.99 mi (7,396.53 km) |
| Royston to Dolton (Illinois) | 3,944.93 mi (6,348.75 km) |
| Royston to Donna (Texas) | 5,134.86 mi (8,263.75 km) |
| Royston to Dorado (Puerto Rico) | 4,215.32 mi (6,783.90 km) |
| Royston to Doral (Florida) | 4,431.04 mi (7,131.07 km) |
| Royston to Doraville (Georgia) | 4,186.59 mi (6,737.67 km) |
| Royston to Dothan (Alabama) | 4,365.43 mi (7,025.48 km) |
| Royston to Douglas (Arizona) | 5,279.77 mi (8,496.97 km) |
| Royston to Douglas (Georgia) | 4,247.78 mi (6,836.14 km) |
| Royston to Douglasville (Georgia) | 4,212.40 mi (6,779.20 km) |
| Royston to Dover (Delaware) | 3,584.38 mi (5,768.50 km) |
| Royston to Dover (New Hampshire) | 3,222.11 mi (5,185.48 km) |
