| Rock Island to National City (California) | 1,575.31 mi (2,535.21 km) |
| Rock Island to Naugatuck (Connecticut) | 905.91 mi (1,457.93 km) |
| Rock Island to Navarre (Florida) | 790.87 mi (1,272.78 km) |
| Rock Island to Nederland (Texas) | 817.14 mi (1,315.06 km) |
| Rock Island to Neenah (Wisconsin) | 214.73 mi (345.57 km) |
| Rock Island to Neosho (Missouri) | 378.68 mi (609.42 km) |
| Rock Island to Nesconset (New York) | 906.22 mi (1,458.42 km) |
| Rock Island to New Albany (Indiana) | 333.61 mi (536.89 km) |
| Rock Island to New Albany (Ohio) | 418.98 mi (674.28 km) |
| Rock Island to New Baltimore (Michigan) | 410.78 mi (661.08 km) |
| Rock Island to New Baltimore (Virginia) | 704.70 mi (1,134.11 km) |
| Rock Island to New Bedford (Massachusetts) | 1,013.12 mi (1,630.45 km) |
| Rock Island to New Berlin (Wisconsin) | 162.90 mi (262.17 km) |
| Rock Island to New Bern (North Carolina) | 853.43 mi (1,373.47 km) |
| Rock Island to New Braunfels (Texas) | 915.88 mi (1,473.96 km) |
