| Royston to Arapgir | 2,037.55 mi (3,279.12 km) |
| Royston to Ardahan | 2,128.67 mi (3,425.76 km) |
| Royston to Ardesen | 2,052.66 mi (3,303.43 km) |
| Royston to Arhavi | 2,060.35 mi (3,315.81 km) |
| Royston to Aricak | 2,126.97 mi (3,423.03 km) |
| Royston to Armutlu | 1,575.89 mi (2,536.14 km) |
| Royston to Arnavutkoy | 1,543.10 mi (2,483.38 km) |
| Royston to Arpacay | 2,165.93 mi (3,485.73 km) |
| Royston to Arsin | 2,017.94 mi (3,247.57 km) |
| Royston to Arsuz | 2,049.54 mi (3,298.41 km) |
| Royston to Artvin | 2,088.29 mi (3,360.78 km) |
| Royston to Asagicinik | 1,854.02 mi (2,983.75 km) |
| Royston to Asarcik | 1,860.40 mi (2,994.02 km) |
| Royston to Askale | 2,092.50 mi (3,367.55 km) |
| Royston to Aslanapa | 1,676.46 mi (2,698.00 km) |
