| Niagara Falls to La Union | 3,979.41 mi (6,404.25 km) |
| Niagara Falls to La Victoria de Acentejo | 3,564.18 mi (5,736.00 km) |
| Niagara Falls to Laguna de Duero | 3,664.72 mi (5,897.80 km) |
| Niagara Falls to Lalin | 3,476.10 mi (5,594.24 km) |
| Niagara Falls to Lardero | 3,738.58 mi (6,016.66 km) |
| Niagara Falls to Laredo | 3,663.99 mi (5,896.62 km) |
| Niagara Falls to Las Cabezas de San Juan | 3,765.10 mi (6,059.34 km) |
| Niagara Falls to Las Palmas | 3,628.26 mi (5,839.12 km) |
| Niagara Falls to Las Rozas de Madrid | 3,739.65 mi (6,018.39 km) |
| Niagara Falls to Las Torres de Cotillas | 3,947.47 mi (6,352.84 km) |
| Niagara Falls to Lebrija | 3,760.79 mi (6,052.41 km) |
| Niagara Falls to Leganes | 3,750.20 mi (6,035.37 km) |
| Niagara Falls to Leon | 3,593.03 mi (5,782.43 km) |
| Niagara Falls to Lepe | 3,695.64 mi (5,947.55 km) |
| Niagara Falls to Linares | 3,834.45 mi (6,170.95 km) |
