| Rock Island to Myrtle Grove (Florida) | 785.32 mi (1,263.85 km) |
| Rock Island to Myrtle Grove (North Carolina) | 857.80 mi (1,380.49 km) |
| Rock Island to Nacogdoches (Texas) | 717.28 mi (1,154.35 km) |
| Rock Island to Nampa (Idaho) | 1,325.51 mi (2,133.20 km) |
| Rock Island to Nanakuli (Hawaii) | 4,109.78 mi (6,614.05 km) |
| Rock Island to Nanticoke (Pennsylvania) | 755.86 mi (1,216.44 km) |
| Rock Island to Nanuet (New York) | 859.26 mi (1,382.84 km) |
| Rock Island to Napa (California) | 1,686.32 mi (2,713.87 km) |
| Rock Island to Naperville (Illinois) | 126.32 mi (203.29 km) |
| Rock Island to Naples (Florida) | 1,171.00 mi (1,884.54 km) |
| Rock Island to Naranja (Florida) | 1,245.94 mi (2,005.14 km) |
| Rock Island to Nashua (New Hampshire) | 980.47 mi (1,577.92 km) |
| Rock Island to Nashville (Tennessee) | 419.21 mi (674.65 km) |
| Rock Island to Natchez (Mississippi) | 687.28 mi (1,106.06 km) |
| Rock Island to Natchitoches (Louisiana) | 687.07 mi (1,105.74 km) |
