| Richardson to Arcore | 5,311.44 mi (8,547.94 km) |
| Richardson to Ardea | 5,604.05 mi (9,018.84 km) |
| Richardson to Arenzano | 5,333.22 mi (8,582.99 km) |
| Richardson to Arese | 5,304.65 mi (8,537.01 km) |
| Richardson to Arezzo | 5,500.82 mi (8,852.72 km) |
| Richardson to Argelato | 5,434.51 mi (8,746.00 km) |
| Richardson to Argenta | 5,452.28 mi (8,774.60 km) |
| Richardson to Ariano Irpino | 5,727.97 mi (9,218.28 km) |
| Richardson to Ariccia | 5,604.74 mi (9,019.96 km) |
| Richardson to Arluno | 5,301.22 mi (8,531.49 km) |
| Richardson to Arona | 5,276.36 mi (8,491.48 km) |
| Richardson to Artena | 5,614.37 mi (9,035.45 km) |
| Richardson to Arzachena | 5,492.43 mi (8,839.21 km) |
| Richardson to Arzano | 5,704.28 mi (9,180.15 km) |
| Richardson to Arzignano | 5,396.17 mi (8,684.30 km) |
