| Romeoville to Pombal | 4,002.21 mi (6,440.93 km) |
| Romeoville to Ponta Delgada | 3,257.13 mi (5,241.85 km) |
| Romeoville to Ponta do Sol | 3,848.25 mi (6,193.15 km) |
| Romeoville to Ponte da Barca | 3,947.96 mi (6,353.63 km) |
| Romeoville to Ponte de Lima | 3,942.31 mi (6,344.53 km) |
| Romeoville to Ponte de Sor | 4,053.48 mi (6,523.45 km) |
| Romeoville to Portalegre | 4,078.77 mi (6,564.14 km) |
| Romeoville to Portimao | 4,104.18 mi (6,605.04 km) |
| Romeoville to Porto | 3,960.07 mi (6,373.11 km) |
| Romeoville to Porto de Mos | 4,004.32 mi (6,444.33 km) |
| Romeoville to Povoa de Lanhoso | 3,962.55 mi (6,377.10 km) |
| Romeoville to Povoa de Santa Iria | 4,018.31 mi (6,466.85 km) |
| Romeoville to Povoa de Varzim | 3,946.45 mi (6,351.19 km) |
| Romeoville to Praia da Vitoria | 3,159.60 mi (5,084.88 km) |
| Romeoville to Praia do Carvoeiro | 4,108.47 mi (6,611.94 km) |
