| Koscian to Ardahan | 1,438.80 mi (2,315.53 km) |
| Koscian to Ardesen | 1,367.82 mi (2,201.30 km) |
| Koscian to Arhavi | 1,373.64 mi (2,210.65 km) |
| Koscian to Aricak | 1,462.91 mi (2,354.32 km) |
| Koscian to Armutlu | 985.25 mi (1,585.60 km) |
| Koscian to Arnavutkoy | 943.93 mi (1,519.10 km) |
| Koscian to Arpacay | 1,475.54 mi (2,374.66 km) |
| Koscian to Arsin | 1,338.50 mi (2,154.11 km) |
| Koscian to Arsuz | 1,432.75 mi (2,305.79 km) |
| Koscian to Artvin | 1,400.73 mi (2,254.26 km) |
| Koscian to Asagicinik | 1,189.25 mi (1,913.91 km) |
| Koscian to Asarcik | 1,198.19 mi (1,928.30 km) |
| Koscian to Askale | 1,416.55 mi (2,279.71 km) |
| Koscian to Aslanapa | 1,090.77 mi (1,755.42 km) |
| Koscian to Atca | 1,129.17 mi (1,817.23 km) |
