| Niagara Falls to Opovo | 4,594.25 mi (7,393.73 km) |
| Niagara Falls to Osecina | 4,591.42 mi (7,389.17 km) |
| Niagara Falls to Padinska Skela | 4,598.73 mi (7,400.93 km) |
| Niagara Falls to Pancevo | 4,610.07 mi (7,419.20 km) |
| Niagara Falls to Paracin | 4,683.40 mi (7,537.21 km) |
| Niagara Falls to Pecinci | 4,582.91 mi (7,375.48 km) |
| Niagara Falls to Petrovac na Mlavi | 4,661.24 mi (7,501.54 km) |
| Niagara Falls to Petrovaradin | 4,564.19 mi (7,345.35 km) |
| Niagara Falls to Pirot | 4,759.99 mi (7,660.46 km) |
| Niagara Falls to Plandiste | 4,613.16 mi (7,424.17 km) |
| Niagara Falls to Pozarevac | 4,641.95 mi (7,470.49 km) |
| Niagara Falls to Pozega | 4,630.71 mi (7,452.40 km) |
| Niagara Falls to Presevo | 4,760.95 mi (7,662.00 km) |
| Niagara Falls to Priboj | 4,621.94 mi (7,438.29 km) |
| Niagara Falls to Prijepolje | 4,628.57 mi (7,448.97 km) |
