| Rock Island to Ashtabula (Ohio) | 505.47 mi (813.47 km) |
| Rock Island to Ashwaubenon (Wisconsin) | 243.15 mi (391.31 km) |
| Rock Island to Aspen Hill (Maryland) | 729.47 mi (1,173.97 km) |
| Rock Island to Astoria (Oregon) | 1,674.93 mi (2,695.54 km) |
| Rock Island to Atascadero (California) | 1,670.80 mi (2,688.89 km) |
| Rock Island to Atascocita (Texas) | 834.77 mi (1,343.44 km) |
| Rock Island to Atchison (Kansas) | 273.05 mi (439.44 km) |
| Rock Island to Athens (Alabama) | 502.22 mi (808.25 km) |
| Rock Island to Athens (Georgia) | 651.68 mi (1,048.77 km) |
| Rock Island to Athens (Ohio) | 470.09 mi (756.53 km) |
| Rock Island to Athens (Tennessee) | 526.18 mi (846.81 km) |
| Rock Island to Athens (Texas) | 702.58 mi (1,130.69 km) |
| Rock Island to Atlanta (Georgia) | 629.87 mi (1,013.68 km) |
| Rock Island to Atlantic Beach (Florida) | 923.41 mi (1,486.08 km) |
| Rock Island to Atlantic City (New Jersey) | 859.29 mi (1,382.90 km) |
