| Port Huron to Arapgir | 5,672.97 mi (9,129.76 km) |
| Port Huron to Ardahan | 5,698.23 mi (9,170.41 km) |
| Port Huron to Ardesen | 5,639.32 mi (9,075.61 km) |
| Port Huron to Arhavi | 5,641.66 mi (9,079.38 km) |
| Port Huron to Aricak | 5,753.94 mi (9,260.08 km) |
| Port Huron to Armutlu | 5,253.89 mi (8,455.32 km) |
| Port Huron to Arnavutkoy | 5,217.96 mi (8,397.50 km) |
| Port Huron to Arpacay | 5,732.47 mi (9,225.52 km) |
| Port Huron to Arsin | 5,618.35 mi (9,041.87 km) |
| Port Huron to Arsuz | 5,720.84 mi (9,206.81 km) |
| Port Huron to Artvin | 5,666.34 mi (9,119.10 km) |
| Port Huron to Asagicinik | 5,482.11 mi (8,822.60 km) |
| Port Huron to Asarcik | 5,491.90 mi (8,838.36 km) |
| Port Huron to Askale | 5,698.93 mi (9,171.55 km) |
| Port Huron to Aslanapa | 5,356.79 mi (8,620.93 km) |
