| Romeoville to Poinciana (Florida) | 1,005.18 mi (1,617.68 km) |
| Romeoville to Point Pleasant (New Jersey) | 740.16 mi (1,191.18 km) |
| Romeoville to Pomona (California) | 1,691.18 mi (2,721.69 km) |
| Romeoville to Pompano Beach (Florida) | 1,155.91 mi (1,860.26 km) |
| Romeoville to Pompton Lakes (New Jersey) | 717.40 mi (1,154.54 km) |
| Romeoville to Pompton Plains (New Jersey) | 716.62 mi (1,153.29 km) |
| Romeoville to Ponca City (Oklahoma) | 587.47 mi (945.44 km) |
| Romeoville to Ponce (Puerto Rico) | 2,066.12 mi (3,325.10 km) |
| Romeoville to Pontiac (Illinois) | 58.49 mi (94.13 km) |
| Romeoville to Pontiac (Michigan) | 256.31 mi (412.50 km) |
| Romeoville to Pooler (Georgia) | 758.59 mi (1,220.83 km) |
| Romeoville to Poplar Bluff (Missouri) | 358.44 mi (576.85 km) |
| Romeoville to Poquoson (Virginia) | 699.14 mi (1,125.15 km) |
| Romeoville to Port Angeles (Washington) | 1,771.20 mi (2,850.47 km) |
| Romeoville to Port Arthur (Texas) | 876.26 mi (1,410.21 km) |
