| Tonypandy to Dumas (Texas) | 4,654.87 mi (7,491.30 km) |
| Tonypandy to Dumont (New Jersey) | 3,312.05 mi (5,330.23 km) |
| Tonypandy to Duncan (Oklahoma) | 4,569.30 mi (7,353.58 km) |
| Tonypandy to Duncanville (Texas) | 4,626.68 mi (7,445.93 km) |
| Tonypandy to Dundalk (Maryland) | 3,487.58 mi (5,612.72 km) |
| Tonypandy to Dunedin (Florida) | 4,282.09 mi (6,891.36 km) |
| Tonypandy to Dunkirk (New York) | 3,463.33 mi (5,573.69 km) |
| Tonypandy to Dunmore (Pennsylvania) | 3,358.25 mi (5,404.59 km) |
| Tonypandy to Dunwoody (Georgia) | 4,055.79 mi (6,527.16 km) |
| Tonypandy to Durango (Colorado) | 4,796.16 mi (7,718.67 km) |
| Tonypandy to Durant (Oklahoma) | 4,537.74 mi (7,302.79 km) |
| Tonypandy to Durham (North Carolina) | 3,736.04 mi (6,012.57 km) |
| Tonypandy to Dyer (Indiana) | 3,829.10 mi (6,162.34 km) |
| Tonypandy to Dyersburg (Tennessee) | 4,159.49 mi (6,694.05 km) |
| Tonypandy to Eagan (Minnesota) | 3,890.35 mi (6,260.91 km) |
