| Porvoo to Ardahan | 1,516.07 mi (2,439.88 km) |
| Porvoo to Ardesen | 1,477.66 mi (2,378.07 km) |
| Porvoo to Arhavi | 1,474.39 mi (2,372.80 km) |
| Porvoo to Aricak | 1,633.81 mi (2,629.37 km) |
| Porvoo to Armutlu | 1,379.88 mi (2,220.70 km) |
| Porvoo to Arnavutkoy | 1,333.63 mi (2,146.27 km) |
| Porvoo to Arpacay | 1,545.61 mi (2,487.42 km) |
| Porvoo to Arsin | 1,474.28 mi (2,372.63 km) |
| Porvoo to Arsuz | 1,717.41 mi (2,763.90 km) |
| Porvoo to Artvin | 1,493.96 mi (2,404.30 km) |
| Porvoo to Asagicinik | 1,396.98 mi (2,248.22 km) |
| Porvoo to Asarcik | 1,411.88 mi (2,272.21 km) |
| Porvoo to Askale | 1,554.67 mi (2,502.00 km) |
| Porvoo to Aslanapa | 1,474.47 mi (2,372.94 km) |
| Porvoo to Atca | 1,559.36 mi (2,509.55 km) |
