| Boulder to Arapgir | 6,513.97 mi (10,483.22 km) |
| Boulder to Ardahan | 6,480.58 mi (10,429.48 km) |
| Boulder to Ardesen | 6,438.35 mi (10,361.52 km) |
| Boulder to Arhavi | 6,436.37 mi (10,358.34 km) |
| Boulder to Aricak | 6,582.57 mi (10,593.62 km) |
| Boulder to Armutlu | 6,167.44 mi (9,925.53 km) |
| Boulder to Arnavutkoy | 6,126.50 mi (9,859.64 km) |
| Boulder to Arpacay | 6,510.45 mi (10,477.55 km) |
| Boulder to Arsin | 6,429.68 mi (10,347.56 km) |
| Boulder to Arsuz | 6,607.41 mi (10,633.60 km) |
| Boulder to Artvin | 6,457.07 mi (10,391.66 km) |
| Boulder to Asagicinik | 6,324.68 mi (10,178.59 km) |
| Boulder to Asarcik | 6,337.25 mi (10,198.82 km) |
| Boulder to Askale | 6,511.10 mi (10,478.60 km) |
| Boulder to Aslanapa | 6,272.92 mi (10,095.29 km) |
