| Niagara Falls to Acqui Terme | 4,131.23 mi (6,648.57 km) |
| Niagara Falls to Acri | 4,668.69 mi (7,513.52 km) |
| Niagara Falls to Adelfia | 4,624.96 mi (7,443.16 km) |
| Niagara Falls to Adrano | 4,680.97 mi (7,533.30 km) |
| Niagara Falls to Adria | 4,263.85 mi (6,862.01 km) |
| Niagara Falls to Afragola | 4,522.60 mi (7,278.43 km) |
| Niagara Falls to Agliana | 4,265.35 mi (6,864.41 km) |
| Niagara Falls to Agrate Brianza | 4,133.91 mi (6,652.89 km) |
| Niagara Falls to Agrigento | 4,641.73 mi (7,470.14 km) |
| Niagara Falls to Agropoli | 4,574.08 mi (7,361.27 km) |
| Niagara Falls to Ala | 4,194.67 mi (6,750.66 km) |
| Niagara Falls to Alassio | 4,143.76 mi (6,668.73 km) |
| Niagara Falls to Alatri | 4,448.75 mi (7,159.57 km) |
| Niagara Falls to Alba | 4,112.28 mi (6,618.07 km) |
| Niagara Falls to Albano Laziale | 4,420.20 mi (7,113.62 km) |
