| Niagara Falls to Ahrensfelde | 4,041.97 mi (6,504.92 km) |
| Niagara Falls to Aich | 4,019.34 mi (6,468.51 km) |
| Niagara Falls to Aichach | 4,099.64 mi (6,597.73 km) |
| Niagara Falls to Aidlingen | 4,004.00 mi (6,443.81 km) |
| Niagara Falls to Ainring | 4,193.56 mi (6,748.88 km) |
| Niagara Falls to Albstadt | 4,025.50 mi (6,478.41 km) |
| Niagara Falls to Aldenhoven | 3,827.50 mi (6,159.76 km) |
| Niagara Falls to Alfeld | 3,925.48 mi (6,317.45 km) |
| Niagara Falls to Alfter | 3,860.67 mi (6,213.15 km) |
| Niagara Falls to Alpen | 3,814.47 mi (6,138.79 km) |
| Niagara Falls to Alsbach-Hahnlein | 3,956.37 mi (6,367.17 km) |
| Niagara Falls to Alsdorf | 3,823.41 mi (6,153.19 km) |
| Niagara Falls to Alsfeld | 3,946.65 mi (6,351.51 km) |
| Niagara Falls to Altdorf | 4,133.47 mi (6,652.17 km) |
| Niagara Falls to Altena | 3,867.28 mi (6,223.79 km) |
