| Herndon to Pombal | 3,573.06 mi (5,750.28 km) |
| Herndon to Ponta Delgada | 2,764.87 mi (4,449.63 km) |
| Herndon to Ponta do Sol | 3,343.81 mi (5,381.34 km) |
| Herndon to Ponte da Barca | 3,534.65 mi (5,688.47 km) |
| Herndon to Ponte de Lima | 3,528.28 mi (5,678.22 km) |
| Herndon to Ponte de Sor | 3,620.99 mi (5,827.42 km) |
| Herndon to Portalegre | 3,648.60 mi (5,871.86 km) |
| Herndon to Portimao | 3,654.41 mi (5,881.20 km) |
| Herndon to Porto | 3,540.91 mi (5,698.54 km) |
| Herndon to Porto de Mos | 3,572.15 mi (5,748.82 km) |
| Herndon to Povoa de Lanhoso | 3,547.74 mi (5,709.54 km) |
| Herndon to Povoa de Santa Iria | 3,579.70 mi (5,760.97 km) |
| Herndon to Povoa de Varzim | 3,528.67 mi (5,678.84 km) |
| Herndon to Praia da Vitoria | 2,671.90 mi (4,300.02 km) |
| Herndon to Praia do Carvoeiro | 3,658.81 mi (5,888.29 km) |
