| Rock Island to Colton (California) | 1,540.56 mi (2,479.30 km) |
| Rock Island to Columbia (Illinois) | 209.00 mi (336.35 km) |
| Rock Island to Columbia (Maryland) | 738.76 mi (1,188.91 km) |
| Rock Island to Columbia (Missouri) | 197.09 mi (317.19 km) |
| Rock Island to Columbia (Pennsylvania) | 743.18 mi (1,196.04 km) |
| Rock Island to Columbia (South Carolina) | 736.16 mi (1,184.73 km) |
| Rock Island to Columbia (Tennessee) | 446.69 mi (718.88 km) |
| Rock Island to Columbia Heights (Minnesota) | 281.22 mi (452.58 km) |
| Rock Island to Columbine (Colorado) | 770.87 mi (1,240.59 km) |
| Rock Island to Columbus (Georgia) | 694.13 mi (1,117.10 km) |
| Rock Island to Columbus (Indiana) | 291.03 mi (468.37 km) |
| Rock Island to Columbus (Mississippi) | 562.76 mi (905.67 km) |
| Rock Island to Columbus (Nebraska) | 350.70 mi (564.40 km) |
| Rock Island to Columbus (Ohio) | 410.63 mi (660.85 km) |
| Rock Island to Commack (New York) | 899.48 mi (1,447.57 km) |
