| Key West to Myrtle Grove (North Carolina) | 700.68 mi (1,127.63 km) |
| Key West to Nacogdoches (Texas) | 922.57 mi (1,484.74 km) |
| Key West to Nampa (Idaho) | 2,358.86 mi (3,796.22 km) |
| Key West to Nanakuli (Hawaii) | 4,797.72 mi (7,721.19 km) |
| Key West to Nanticoke (Pennsylvania) | 1,196.58 mi (1,925.71 km) |
| Key West to Nanuet (New York) | 1,226.57 mi (1,973.97 km) |
| Key West to Napa (California) | 2,546.11 mi (4,097.57 km) |
| Key West to Naperville (Illinois) | 1,242.50 mi (1,999.61 km) |
| Key West to Naples (Florida) | 109.60 mi (176.38 km) |
| Key West to Naranja (Florida) | 107.36 mi (172.78 km) |
| Key West to Nashua (New Hampshire) | 1,386.18 mi (2,230.83 km) |
| Key West to Nashville (Tennessee) | 855.35 mi (1,376.56 km) |
| Key West to Natchez (Mississippi) | 758.22 mi (1,220.23 km) |
| Key West to Natchitoches (Louisiana) | 848.13 mi (1,364.94 km) |
| Key West to National City (California) | 2,203.22 mi (3,545.74 km) |
