| Port Talbot to Dewsbury | 171.17 mi (275.47 km) |
| Port Talbot to Deysbrook | 132.12 mi (212.63 km) |
| Port Talbot to Didcot | 109.77 mi (176.66 km) |
| Port Talbot to Dingle | 128.38 mi (206.61 km) |
| Port Talbot to Dinnington | 164.35 mi (264.49 km) |
| Port Talbot to Dodworth | 165.27 mi (265.97 km) |
| Port Talbot to Dollis Hill | 153.05 mi (246.31 km) |
| Port Talbot to Doncaster | 174.21 mi (280.36 km) |
| Port Talbot to Dorchester | 84.50 mi (135.99 km) |
| Port Talbot to Dorking | 151.47 mi (243.77 km) |
| Port Talbot to Dorridge | 102.34 mi (164.70 km) |
| Port Talbot to Dover | 222.60 mi (358.24 km) |
| Port Talbot to Downham Market | 190.95 mi (307.30 km) |
| Port Talbot to Droitwich | 84.26 mi (135.60 km) |
| Port Talbot to Dronfield | 153.72 mi (247.39 km) |
