| Fountain Valley to Arcore | 6,042.07 mi (9,723.77 km) |
| Fountain Valley to Ardea | 6,358.18 mi (10,232.51 km) |
| Fountain Valley to Arenzano | 6,084.80 mi (9,792.54 km) |
| Fountain Valley to Arese | 6,038.35 mi (9,717.78 km) |
| Fountain Valley to Arezzo | 6,237.97 mi (10,039.04 km) |
| Fountain Valley to Argelato | 6,162.11 mi (9,916.96 km) |
| Fountain Valley to Argenta | 6,175.32 mi (9,938.21 km) |
| Fountain Valley to Ariano Irpino | 6,465.05 mi (10,404.49 km) |
| Fountain Valley to Ariccia | 6,356.64 mi (10,230.02 km) |
| Fountain Valley to Arluno | 6,036.63 mi (9,715.02 km) |
| Fountain Valley to Arona | 6,011.37 mi (9,674.37 km) |
| Fountain Valley to Artena | 6,363.88 mi (10,241.67 km) |
| Fountain Valley to Arzachena | 6,279.94 mi (10,106.59 km) |
| Fountain Valley to Arzano | 6,451.66 mi (10,382.94 km) |
| Fountain Valley to Arzignano | 6,111.89 mi (9,836.14 km) |
