| Tonypandy to Dixon (Illinois) | 3,889.21 mi (6,259.07 km) |
| Tonypandy to Dobbs Ferry (New York) | 3,304.14 mi (5,317.50 km) |
| Tonypandy to Doctor Phillips (Florida) | 4,206.81 mi (6,770.21 km) |
| Tonypandy to Dodge City (Kansas) | 4,485.35 mi (7,218.47 km) |
| Tonypandy to Dolton (Illinois) | 3,826.58 mi (6,158.28 km) |
| Tonypandy to Donna (Texas) | 5,009.22 mi (8,061.55 km) |
| Tonypandy to Dorado (Puerto Rico) | 4,066.14 mi (6,543.82 km) |
| Tonypandy to Doral (Florida) | 4,290.37 mi (6,904.69 km) |
| Tonypandy to Doraville (Georgia) | 4,055.76 mi (6,527.11 km) |
| Tonypandy to Dothan (Alabama) | 4,232.91 mi (6,812.21 km) |
| Tonypandy to Douglas (Arizona) | 5,172.81 mi (8,324.83 km) |
| Tonypandy to Douglas (Georgia) | 4,113.43 mi (6,619.93 km) |
| Tonypandy to Douglasville (Georgia) | 4,081.76 mi (6,568.95 km) |
| Tonypandy to Dover (Delaware) | 3,452.22 mi (5,555.81 km) |
| Tonypandy to Dover (New Hampshire) | 3,091.62 mi (4,975.48 km) |
