| Port Huron to Acqui Terme | 4,276.42 mi (6,882.24 km) |
| Port Huron to Acri | 4,815.18 mi (7,749.28 km) |
| Port Huron to Adelfia | 4,768.98 mi (7,674.93 km) |
| Port Huron to Adrano | 4,831.12 mi (7,774.93 km) |
| Port Huron to Adria | 4,405.73 mi (7,090.34 km) |
| Port Huron to Afragola | 4,668.85 mi (7,513.79 km) |
| Port Huron to Agliana | 4,409.85 mi (7,096.96 km) |
| Port Huron to Agrate Brianza | 4,277.00 mi (6,883.16 km) |
| Port Huron to Agrigento | 4,793.29 mi (7,714.06 km) |
| Port Huron to Agropoli | 4,720.57 mi (7,597.03 km) |
| Port Huron to Ala | 4,336.23 mi (6,978.49 km) |
| Port Huron to Alassio | 4,290.22 mi (6,904.44 km) |
| Port Huron to Alatri | 4,594.64 mi (7,394.36 km) |
| Port Huron to Alba | 4,257.75 mi (6,852.18 km) |
| Port Huron to Albano Laziale | 4,566.61 mi (7,349.25 km) |
