| Rockford to Noblesville (Indiana) | 221.24 mi (356.04 km) |
| Rockford to Nocatee (Florida) | 941.84 mi (1,515.75 km) |
| Rockford to Nogales (Arizona) | 1,418.50 mi (2,282.85 km) |
| Rockford to Nolensville (Tennessee) | 453.89 mi (730.47 km) |
| Rockford to Norco (California) | 1,643.13 mi (2,644.36 km) |
| Rockford to Norcross (Georgia) | 632.45 mi (1,017.82 km) |
| Rockford to Norfolk (Nebraska) | 428.27 mi (689.23 km) |
| Rockford to Norfolk (Virginia) | 774.99 mi (1,247.23 km) |
| Rockford to Normal (Illinois) | 120.14 mi (193.35 km) |
| Rockford to Norman (Oklahoma) | 658.81 mi (1,060.25 km) |
| Rockford to Norridge (Illinois) | 66.81 mi (107.52 km) |
| Rockford to Norristown (Pennsylvania) | 727.83 mi (1,171.33 km) |
| Rockford to North Adams (Massachusetts) | 812.06 mi (1,306.89 km) |
| Rockford to North Amityville (New York) | 816.16 mi (1,313.48 km) |
| Rockford to North Arlington (New Jersey) | 778.30 mi (1,252.55 km) |
