| Rock Island to Robbinsdale (Minnesota) | 281.98 mi (453.80 km) |
| Rock Island to Robertsville (New Jersey) | 852.92 mi (1,372.64 km) |
| Rock Island to Robinson (Texas) | 781.23 mi (1,257.26 km) |
| Rock Island to Robstown (Texas) | 1,026.27 mi (1,651.62 km) |
| Rock Island to Rochester (Michigan) | 391.70 mi (630.38 km) |
| Rock Island to Rochester (Minnesota) | 200.44 mi (322.58 km) |
| Rock Island to Rochester (New Hampshire) | 1,006.08 mi (1,619.13 km) |
| Rock Island to Rochester (New York) | 672.03 mi (1,081.53 km) |
| Rock Island to Rochester Hills (Michigan) | 389.62 mi (627.02 km) |
| Rock Island to Rock Hill (South Carolina) | 686.82 mi (1,105.32 km) |
| Rock Island to Rock Springs (Wyoming) | 962.16 mi (1,548.45 km) |
| Rock Island to Rockford (Illinois) | 95.31 mi (153.38 km) |
| Rock Island to Rockledge (Florida) | 1,064.53 mi (1,713.19 km) |
| Rock Island to Rocklin (California) | 1,621.67 mi (2,609.82 km) |
| Rock Island to Rockport (Texas) | 998.30 mi (1,606.60 km) |
