| Tucson Mountains to Arcore | 5,890.58 mi (9,479.97 km) |
| Tucson Mountains to Ardea | 6,199.82 mi (9,977.64 km) |
| Tucson Mountains to Arenzano | 5,925.47 mi (9,536.12 km) |
| Tucson Mountains to Arese | 5,885.64 mi (9,472.02 km) |
| Tucson Mountains to Arezzo | 6,085.40 mi (9,793.50 km) |
| Tucson Mountains to Argelato | 6,012.69 mi (9,676.50 km) |
| Tucson Mountains to Argenta | 6,027.77 mi (9,700.76 km) |
| Tucson Mountains to Ariano Irpino | 6,314.17 mi (10,161.68 km) |
| Tucson Mountains to Ariccia | 6,199.15 mi (9,976.56 km) |
| Tucson Mountains to Arluno | 5,883.24 mi (9,468.16 km) |
| Tucson Mountains to Arona | 5,857.95 mi (9,427.46 km) |
| Tucson Mountains to Artena | 6,207.38 mi (9,989.81 km) |
| Tucson Mountains to Arzachena | 6,107.81 mi (9,829.57 km) |
| Tucson Mountains to Arzano | 6,296.63 mi (10,133.45 km) |
| Tucson Mountains to Arzignano | 5,966.70 mi (9,602.48 km) |
