| Llanelli to Delhi (California) | 5,192.17 mi (8,355.99 km) |
| Llanelli to Delray Beach (Florida) | 4,216.08 mi (6,785.13 km) |
| Llanelli to Deltona (Florida) | 4,141.61 mi (6,665.28 km) |
| Llanelli to Deming (New Mexico) | 5,030.27 mi (8,095.43 km) |
| Llanelli to Denison (Texas) | 4,527.08 mi (7,285.64 km) |
| Llanelli to Dent (Ohio) | 3,792.59 mi (6,103.59 km) |
| Llanelli to Denton (Texas) | 4,576.92 mi (7,365.83 km) |
| Llanelli to Dentsville (South Carolina) | 3,879.97 mi (6,244.20 km) |
| Llanelli to Denver (Colorado) | 4,531.93 mi (7,293.44 km) |
| Llanelli to Depew (New York) | 3,389.82 mi (5,455.39 km) |
| Llanelli to Derby (Connecticut) | 3,228.01 mi (5,194.98 km) |
| Llanelli to Derby (Kansas) | 4,362.85 mi (7,021.33 km) |
| Llanelli to Des Moines (Iowa) | 4,029.82 mi (6,485.37 km) |
| Llanelli to Des Moines (Washington) | 4,677.74 mi (7,528.10 km) |
| Llanelli to Des Plaines (Illinois) | 3,790.42 mi (6,100.10 km) |
