| Rock Island to Parma (Ohio) | 458.53 mi (737.94 km) |
| Rock Island to Parma Heights (Ohio) | 456.71 mi (735.00 km) |
| Rock Island to Parole (Maryland) | 758.85 mi (1,221.25 km) |
| Rock Island to Parsippany (New Jersey) | 840.82 mi (1,353.17 km) |
| Rock Island to Pasadena (California) | 1,578.69 mi (2,540.66 km) |
| Rock Island to Pasadena (Maryland) | 755.32 mi (1,215.56 km) |
| Rock Island to Pasadena (Texas) | 855.22 mi (1,376.34 km) |
| Rock Island to Pasadena Hills (Florida) | 1,025.02 mi (1,649.61 km) |
| Rock Island to Pascagoula (Mississippi) | 775.48 mi (1,248.01 km) |
| Rock Island to Pasco (Washington) | 1,451.58 mi (2,336.10 km) |
| Rock Island to Passaic (New Jersey) | 855.65 mi (1,377.03 km) |
| Rock Island to Pataskala (Ohio) | 423.84 mi (682.10 km) |
| Rock Island to Patchogue (New York) | 914.01 mi (1,470.96 km) |
| Rock Island to Paterson (New Jersey) | 853.32 mi (1,373.28 km) |
| Rock Island to Patterson (California) | 1,644.86 mi (2,647.15 km) |
