| Royston to Dover (New Jersey) | 3,468.67 mi (5,582.29 km) |
| Royston to Dover (Ohio) | 3,760.10 mi (6,051.29 km) |
| Royston to Downers Grove (Illinois) | 3,952.90 mi (6,361.58 km) |
| Royston to Downey (California) | 5,422.04 mi (8,725.94 km) |
| Royston to Dranesville (Virginia) | 3,666.65 mi (5,900.91 km) |
| Royston to Draper (Utah) | 4,853.18 mi (7,810.44 km) |
| Royston to Drexel Heights (Arizona) | 5,288.69 mi (8,511.33 km) |
| Royston to Drexel Hill (Pennsylvania) | 3,540.20 mi (5,697.40 km) |
| Royston to Duarte (California) | 5,403.48 mi (8,696.06 km) |
| Royston to Dublin (California) | 5,318.13 mi (8,558.70 km) |
| Royston to Dublin (Georgia) | 4,199.77 mi (6,758.87 km) |
| Royston to Dublin (Ohio) | 3,844.68 mi (6,187.42 km) |
| Royston to Dubuque (Iowa) | 4,019.72 mi (6,469.11 km) |
| Royston to Duluth (Georgia) | 4,176.87 mi (6,722.02 km) |
| Royston to Duluth (Minnesota) | 3,870.15 mi (6,228.40 km) |
