| Diamond Bar to Cutrofiano | 6,598.54 mi (10,619.32 km) |
| Diamond Bar to Dalmine | 6,029.35 mi (9,703.30 km) |
| Diamond Bar to Deruta | 6,259.91 mi (10,074.36 km) |
| Diamond Bar to Desenzano del Garda | 6,068.43 mi (9,766.20 km) |
| Diamond Bar to Desio | 6,018.84 mi (9,686.38 km) |
| Diamond Bar to Dolianova | 6,340.44 mi (10,203.96 km) |
| Diamond Bar to Dolo | 6,118.70 mi (9,847.09 km) |
| Diamond Bar to Domodossola | 5,963.43 mi (9,597.21 km) |
| Diamond Bar to Dorgali | 6,306.91 mi (10,150.00 km) |
| Diamond Bar to Dueville | 6,091.48 mi (9,803.29 km) |
| Diamond Bar to Eboli | 6,472.48 mi (10,416.45 km) |
| Diamond Bar to Elmas | 6,341.75 mi (10,206.06 km) |
| Diamond Bar to Empoli | 6,173.83 mi (9,935.82 km) |
| Diamond Bar to Enna | 6,613.42 mi (10,643.27 km) |
| Diamond Bar to Eraclea | 6,128.98 mi (9,863.65 km) |
