| Niagara Falls to Alhendin | 3,868.31 mi (6,225.44 km) |
| Niagara Falls to Alicante | 3,970.92 mi (6,390.57 km) |
| Niagara Falls to Aljaraque | 3,704.06 mi (5,961.10 km) |
| Niagara Falls to Almagro | 3,802.39 mi (6,119.35 km) |
| Niagara Falls to Almansa | 3,923.70 mi (6,314.58 km) |
| Niagara Falls to Almazora | 3,932.45 mi (6,328.67 km) |
| Niagara Falls to Almendralejo | 3,683.39 mi (5,927.84 km) |
| Niagara Falls to Almeria | 3,933.82 mi (6,330.87 km) |
| Niagara Falls to Almonte | 3,727.76 mi (5,999.25 km) |
| Niagara Falls to Almoradi | 3,965.41 mi (6,381.72 km) |
| Niagara Falls to Almunecar | 3,880.25 mi (6,244.65 km) |
| Niagara Falls to Almusafes | 3,939.77 mi (6,340.45 km) |
| Niagara Falls to Alovera | 3,764.65 mi (6,058.62 km) |
| Niagara Falls to Alpedrete | 3,726.74 mi (5,997.61 km) |
| Niagara Falls to Altea | 3,981.46 mi (6,407.54 km) |
