| Niagara Falls to Ilawa | 4,212.94 mi (6,780.07 km) |
| Niagara Falls to Imielin | 4,337.97 mi (6,981.29 km) |
| Niagara Falls to Inowroclaw | 4,199.36 mi (6,758.21 km) |
| Niagara Falls to Janow Lubelski | 4,427.33 mi (7,125.10 km) |
| Niagara Falls to Jarocin | 4,204.52 mi (6,766.52 km) |
| Niagara Falls to Jaroslaw | 4,465.87 mi (7,187.13 km) |
| Niagara Falls to Jasien | 4,150.38 mi (6,679.40 km) |
| Niagara Falls to Jaslo | 4,434.49 mi (7,136.63 km) |
| Niagara Falls to Jastrzebie-Zdroj | 4,322.44 mi (6,956.29 km) |
| Niagara Falls to Jawor | 4,193.08 mi (6,748.12 km) |
| Niagara Falls to Jaworzno | 4,337.02 mi (6,979.76 km) |
| Niagara Falls to Jedrzejow | 4,356.42 mi (7,010.99 km) |
| Niagara Falls to Jelcz-Laskowice | 4,234.63 mi (6,814.98 km) |
| Niagara Falls to Jelenia Gora | 4,181.75 mi (6,729.87 km) |
| Niagara Falls to Jozefoslaw | 4,322.92 mi (6,957.07 km) |
