| Romeoville to Pittsburg (California) | 1,799.01 mi (2,895.23 km) |
| Romeoville to Pittsburg (Kansas) | 456.55 mi (734.74 km) |
| Romeoville to Pittsburgh (Pennsylvania) | 431.13 mi (693.84 km) |
| Romeoville to Pittsfield (Massachusetts) | 762.57 mi (1,227.23 km) |
| Romeoville to Placentia (California) | 1,701.48 mi (2,738.27 km) |
| Romeoville to Placerville (California) | 1,727.23 mi (2,779.71 km) |
| Romeoville to Plainfield (Illinois) | 6.53 mi (10.51 km) |
| Romeoville to Plainfield (Indiana) | 161.56 mi (260.00 km) |
| Romeoville to Plainfield (New Jersey) | 714.91 mi (1,150.54 km) |
| Romeoville to Plainview (New York) | 761.64 mi (1,225.74 km) |
| Romeoville to Plainview (Texas) | 901.48 mi (1,450.80 km) |
| Romeoville to Plano (Illinois) | 22.38 mi (36.02 km) |
| Romeoville to Plano (Texas) | 758.93 mi (1,221.37 km) |
| Romeoville to Plant City (Florida) | 999.48 mi (1,608.50 km) |
| Romeoville to Plantation (Florida) | 1,160.57 mi (1,867.76 km) |
