| Risca to Dumas (Texas) | 4,668.77 mi (7,513.66 km) |
| Risca to Dumont (New Jersey) | 3,327.15 mi (5,354.52 km) |
| Risca to Duncan (Oklahoma) | 4,583.60 mi (7,376.59 km) |
| Risca to Duncanville (Texas) | 4,641.19 mi (7,469.27 km) |
| Risca to Dundalk (Maryland) | 3,502.69 mi (5,637.03 km) |
| Risca to Dunedin (Florida) | 4,297.45 mi (6,916.08 km) |
| Risca to Dunkirk (New York) | 3,478.08 mi (5,597.43 km) |
| Risca to Dunmore (Pennsylvania) | 3,373.26 mi (5,428.73 km) |
| Risca to Dunwoody (Georgia) | 4,070.88 mi (6,551.44 km) |
| Risca to Durango (Colorado) | 4,809.43 mi (7,740.03 km) |
| Risca to Durant (Oklahoma) | 4,552.19 mi (7,326.04 km) |
| Risca to Durham (North Carolina) | 3,751.23 mi (6,037.02 km) |
| Risca to Dyer (Indiana) | 3,843.49 mi (6,185.50 km) |
| Risca to Dyersburg (Tennessee) | 4,174.20 mi (6,717.73 km) |
| Risca to Eagan (Minnesota) | 3,904.03 mi (6,282.92 km) |
