| Portsmouth to Cutrofiano | 1,185.11 mi (1,907.25 km) |
| Portsmouth to Dalmine | 606.39 mi (975.89 km) |
| Portsmouth to Deruta | 833.56 mi (1,341.49 km) |
| Portsmouth to Desenzano del Garda | 649.32 mi (1,044.98 km) |
| Portsmouth to Desio | 593.76 mi (955.56 km) |
| Portsmouth to Dolianova | 932.81 mi (1,501.21 km) |
| Portsmouth to Dolo | 710.34 mi (1,143.18 km) |
| Portsmouth to Domodossola | 537.50 mi (865.02 km) |
| Portsmouth to Dorgali | 888.80 mi (1,430.38 km) |
| Portsmouth to Dueville | 681.40 mi (1,096.61 km) |
| Portsmouth to Eboli | 1,045.71 mi (1,682.91 km) |
| Portsmouth to Elmas | 936.47 mi (1,507.10 km) |
| Portsmouth to Empoli | 745.67 mi (1,200.04 km) |
| Portsmouth to Enna | 1,185.32 mi (1,907.59 km) |
| Portsmouth to Eraclea | 728.06 mi (1,171.69 km) |
