| Niagara Falls to Montana | 4,773.14 mi (7,681.62 km) |
| Niagara Falls to Nova Zagora | 4,921.25 mi (7,919.98 km) |
| Niagara Falls to Novi Iskar | 4,805.22 mi (7,733.26 km) |
| Niagara Falls to Novi Pazar | 4,926.05 mi (7,927.72 km) |
| Niagara Falls to Omurtag | 4,908.36 mi (7,899.25 km) |
| Niagara Falls to Panagyurishte | 4,850.85 mi (7,806.69 km) |
| Niagara Falls to Parvomay | 4,908.78 mi (7,899.92 km) |
| Niagara Falls to Pavlikeni | 4,860.54 mi (7,822.28 km) |
| Niagara Falls to Pazardzhik | 4,870.23 mi (7,837.88 km) |
| Niagara Falls to Pernik | 4,801.92 mi (7,727.95 km) |
| Niagara Falls to Peshtera | 4,876.51 mi (7,847.99 km) |
| Niagara Falls to Petrich | 4,862.79 mi (7,825.90 km) |
| Niagara Falls to Pleven | 4,826.48 mi (7,767.47 km) |
| Niagara Falls to Plovdiv | 4,888.56 mi (7,867.38 km) |
| Niagara Falls to Pomorie | 4,978.05 mi (8,011.40 km) |
