| Opatija to Ardahan | 1,451.49 mi (2,335.95 km) |
| Opatija to Ardesen | 1,366.09 mi (2,198.50 km) |
| Opatija to Arhavi | 1,377.94 mi (2,217.58 km) |
| Opatija to Aricak | 1,400.22 mi (2,253.44 km) |
| Opatija to Armutlu | 805.22 mi (1,295.87 km) |
| Opatija to Arnavutkoy | 779.71 mi (1,254.82 km) |
| Opatija to Arpacay | 1,488.69 mi (2,395.82 km) |
| Opatija to Arsin | 1,321.24 mi (2,126.34 km) |
| Opatija to Arsuz | 1,279.46 mi (2,059.08 km) |
| Opatija to Artvin | 1,406.78 mi (2,263.99 km) |
| Opatija to Asagicinik | 1,139.75 mi (1,834.25 km) |
| Opatija to Asarcik | 1,142.01 mi (1,837.88 km) |
| Opatija to Askale | 1,385.96 mi (2,230.49 km) |
| Opatija to Aslanapa | 898.94 mi (1,446.70 km) |
| Opatija to Atca | 882.20 mi (1,419.77 km) |
