| Tonypandy to Dover (New Jersey) | 3,337.91 mi (5,371.84 km) |
| Tonypandy to Dover (Ohio) | 3,634.62 mi (5,849.35 km) |
| Tonypandy to Downers Grove (Illinois) | 3,835.20 mi (6,172.15 km) |
| Tonypandy to Downey (California) | 5,329.75 mi (8,577.40 km) |
| Tonypandy to Dranesville (Virginia) | 3,535.76 mi (5,690.26 km) |
| Tonypandy to Draper (Utah) | 4,760.59 mi (7,661.43 km) |
| Tonypandy to Drexel Heights (Arizona) | 5,184.58 mi (8,343.78 km) |
| Tonypandy to Drexel Hill (Pennsylvania) | 3,408.83 mi (5,485.99 km) |
| Tonypandy to Duarte (California) | 5,311.19 mi (8,547.54 km) |
| Tonypandy to Dublin (California) | 5,235.90 mi (8,426.36 km) |
| Tonypandy to Dublin (Georgia) | 4,066.45 mi (6,544.31 km) |
| Tonypandy to Dublin (Ohio) | 3,720.12 mi (5,986.96 km) |
| Tonypandy to Dubuque (Iowa) | 3,905.68 mi (6,285.58 km) |
| Tonypandy to Duluth (Georgia) | 4,046.03 mi (6,511.46 km) |
| Tonypandy to Duluth (Minnesota) | 3,764.29 mi (6,058.03 km) |
