| Castelo Branco to Ardahan | 2,603.32 mi (4,189.64 km) |
| Castelo Branco to Ardesen | 2,515.43 mi (4,048.19 km) |
| Castelo Branco to Arhavi | 2,528.94 mi (4,069.93 km) |
| Castelo Branco to Aricak | 2,521.68 mi (4,058.25 km) |
| Castelo Branco to Armutlu | 1,904.98 mi (3,065.76 km) |
| Castelo Branco to Arnavutkoy | 1,892.56 mi (3,045.78 km) |
| Castelo Branco to Arpacay | 2,639.80 mi (4,248.34 km) |
| Castelo Branco to Arsin | 2,466.50 mi (3,969.45 km) |
| Castelo Branco to Arsuz | 2,347.17 mi (3,777.40 km) |
| Castelo Branco to Artvin | 2,557.58 mi (4,116.03 km) |
| Castelo Branco to Asagicinik | 2,279.88 mi (3,669.12 km) |
| Castelo Branco to Asarcik | 2,279.28 mi (3,668.14 km) |
| Castelo Branco to Askale | 2,523.61 mi (4,061.35 km) |
| Castelo Branco to Aslanapa | 1,977.47 mi (3,182.43 km) |
| Castelo Branco to Atca | 1,913.77 mi (3,079.92 km) |
