| Keystone to Myrtle Grove (North Carolina) | 499.05 mi (803.14 km) |
| Keystone to Nacogdoches (Texas) | 760.63 mi (1,224.12 km) |
| Keystone to Nampa (Idaho) | 2,159.53 mi (3,475.43 km) |
| Keystone to Nanakuli (Hawaii) | 4,688.42 mi (7,545.28 km) |
| Keystone to Nanticoke (Pennsylvania) | 977.00 mi (1,572.33 km) |
| Keystone to Nanuet (New York) | 1,018.85 mi (1,639.68 km) |
| Keystone to Napa (California) | 2,379.75 mi (3,829.84 km) |
| Keystone to Naperville (Illinois) | 991.65 mi (1,595.90 km) |
| Keystone to Naples (Florida) | 145.56 mi (234.26 km) |
| Keystone to Naranja (Florida) | 225.09 mi (362.24 km) |
| Keystone to Nashua (New Hampshire) | 1,185.48 mi (1,907.85 km) |
| Keystone to Nashville (Tennessee) | 606.88 mi (976.68 km) |
| Keystone to Natchez (Mississippi) | 576.75 mi (928.18 km) |
| Keystone to Natchitoches (Louisiana) | 675.61 mi (1,087.29 km) |
| Keystone to National City (California) | 2,070.51 mi (3,332.16 km) |
