| Rockford to Anoka (Minnesota) | 296.87 mi (477.76 km) |
| Rockford to Ansonia (Connecticut) | 825.05 mi (1,327.78 km) |
| Rockford to Antelope (California) | 1,704.35 mi (2,742.89 km) |
| Rockford to Anthem (Arizona) | 1,376.18 mi (2,214.75 km) |
| Rockford to Antioch (California) | 1,743.50 mi (2,805.89 km) |
| Rockford to Antioch (Illinois) | 52.76 mi (84.91 km) |
| Rockford to Apache Junction (Arizona) | 1,364.89 mi (2,196.58 km) |
| Rockford to Apex (North Carolina) | 708.58 mi (1,140.35 km) |
| Rockford to Apollo Beach (Florida) | 1,069.43 mi (1,721.08 km) |
| Rockford to Apopka (Florida) | 1,027.10 mi (1,652.96 km) |
| Rockford to Apple Valley (California) | 1,606.07 mi (2,584.73 km) |
| Rockford to Apple Valley (Minnesota) | 269.16 mi (433.17 km) |
| Rockford to Appleton (Wisconsin) | 143.53 mi (230.99 km) |
| Rockford to Arbutus (Maryland) | 679.54 mi (1,093.61 km) |
| Rockford to Arcadia (California) | 1,660.71 mi (2,672.66 km) |
