| Castricum to Ardahan | 1,935.51 mi (3,114.90 km) |
| Castricum to Ardesen | 1,860.98 mi (2,994.96 km) |
| Castricum to Arhavi | 1,868.11 mi (3,006.43 km) |
| Castricum to Aricak | 1,941.45 mi (3,124.47 km) |
| Castricum to Armutlu | 1,406.55 mi (2,263.62 km) |
| Castricum to Arnavutkoy | 1,371.44 mi (2,207.12 km) |
| Castricum to Arpacay | 1,972.64 mi (3,174.66 km) |
| Castricum to Arsin | 1,827.83 mi (2,941.60 km) |
| Castricum to Arsuz | 1,876.60 mi (3,020.09 km) |
| Castricum to Artvin | 1,895.82 mi (3,051.03 km) |
| Castricum to Asagicinik | 1,667.67 mi (2,683.85 km) |
| Castricum to Asarcik | 1,674.75 mi (2,695.25 km) |
| Castricum to Askale | 1,903.51 mi (3,063.41 km) |
| Castricum to Aslanapa | 1,509.19 mi (2,428.81 km) |
| Castricum to Atca | 1,517.31 mi (2,441.88 km) |
