| Niagara Falls to Pombal | 3,538.73 mi (5,695.04 km) |
| Niagara Falls to Ponta Delgada | 2,782.96 mi (4,478.74 km) |
| Niagara Falls to Ponta do Sol | 3,373.84 mi (5,429.68 km) |
| Niagara Falls to Ponte da Barca | 3,488.59 mi (5,614.34 km) |
| Niagara Falls to Ponte de Lima | 3,482.72 mi (5,604.90 km) |
| Niagara Falls to Ponte de Sor | 3,589.26 mi (5,776.35 km) |
| Niagara Falls to Portalegre | 3,615.15 mi (5,818.02 km) |
| Niagara Falls to Portimao | 3,636.18 mi (5,851.86 km) |
| Niagara Falls to Porto | 3,499.11 mi (5,631.27 km) |
| Niagara Falls to Porto de Mos | 3,540.10 mi (5,697.25 km) |
| Niagara Falls to Povoa de Lanhoso | 3,502.78 mi (5,637.18 km) |
| Niagara Falls to Povoa de Santa Iria | 3,552.60 mi (5,717.36 km) |
| Niagara Falls to Povoa de Varzim | 3,485.84 mi (5,609.92 km) |
| Niagara Falls to Praia da Vitoria | 2,685.62 mi (4,322.10 km) |
| Niagara Falls to Praia do Carvoeiro | 3,640.50 mi (5,858.81 km) |
