| Diamond Bar to Ames | 5,497.51 mi (8,847.39 km) |
| Diamond Bar to Amorebieta | 5,715.02 mi (9,197.44 km) |
| Diamond Bar to Amposta | 5,957.51 mi (9,587.68 km) |
| Diamond Bar to Amurrio | 5,712.32 mi (9,193.08 km) |
| Diamond Bar to Andoain | 5,742.39 mi (9,241.49 km) |
| Diamond Bar to Andraitx | 6,082.00 mi (9,788.03 km) |
| Diamond Bar to Andujar | 5,895.66 mi (9,488.15 km) |
| Diamond Bar to Antequera | 5,920.02 mi (9,527.36 km) |
| Diamond Bar to Antigua | 5,853.22 mi (9,419.84 km) |
| Diamond Bar to Aranda de Duero | 5,747.31 mi (9,249.40 km) |
| Diamond Bar to Aranjuez | 5,824.48 mi (9,373.60 km) |
| Diamond Bar to Archena | 6,004.77 mi (9,663.75 km) |
| Diamond Bar to Arcos de la Frontera | 5,879.28 mi (9,461.79 km) |
| Diamond Bar to Arenys de Mar | 5,990.13 mi (9,640.19 km) |
| Diamond Bar to Arenys de Munt | 5,988.27 mi (9,637.19 km) |
