| Romeoville to Piedras Blancas | 3,997.56 mi (6,433.45 km) |
| Romeoville to Piera | 4,406.54 mi (7,091.63 km) |
| Romeoville to Pilar de la Horadada | 4,434.97 mi (7,137.40 km) |
| Romeoville to Pilas | 4,203.02 mi (6,764.10 km) |
| Romeoville to Pinos Puente | 4,323.01 mi (6,957.22 km) |
| Romeoville to Pinto | 4,214.20 mi (6,782.11 km) |
| Romeoville to Pizarra | 4,297.24 mi (6,915.73 km) |
| Romeoville to Plasencia | 4,114.26 mi (6,621.26 km) |
| Romeoville to Pola de Laviana | 4,026.88 mi (6,480.64 km) |
| Romeoville to Pola de Lena | 4,017.53 mi (6,465.58 km) |
| Romeoville to Pola de Siero | 4,017.78 mi (6,465.99 km) |
| Romeoville to Pollensa | 4,525.30 mi (7,282.76 km) |
| Romeoville to Ponferrada | 4,004.59 mi (6,444.76 km) |
| Romeoville to Pontevedra | 3,917.22 mi (6,304.16 km) |
| Romeoville to Portugalete | 4,134.55 mi (6,653.91 km) |
