| Niagara Falls to Zrece | 4,344.50 mi (6,991.80 km) |
| Niagara Falls to Zuzemberk | 4,348.12 mi (6,997.63 km) |
| Niagara Falls to Abaran | 3,933.81 mi (6,330.85 km) |
| Niagara Falls to Abrera | 3,964.17 mi (6,379.72 km) |
| Niagara Falls to Acala del Rio | 3,744.99 mi (6,026.97 km) |
| Niagara Falls to Adeje | 3,564.08 mi (5,735.83 km) |
| Niagara Falls to Adra | 3,911.49 mi (6,294.94 km) |
| Niagara Falls to Aguilar | 3,807.00 mi (6,126.77 km) |
| Niagara Falls to Aguilas | 3,954.52 mi (6,364.19 km) |
| Niagara Falls to Alacuas | 3,931.54 mi (6,327.19 km) |
| Niagara Falls to Alayor | 4,121.45 mi (6,632.83 km) |
| Niagara Falls to Albacete | 3,884.30 mi (6,251.18 km) |
| Niagara Falls to Albal | 3,935.88 mi (6,334.19 km) |
| Niagara Falls to Albatera | 3,959.27 mi (6,371.83 km) |
| Niagara Falls to Alberique | 3,941.17 mi (6,342.70 km) |
