| Castelo Branco to Myrtle Grove (North Carolina) | 3,804.45 mi (6,122.68 km) |
| Castelo Branco to Nacogdoches (Texas) | 4,725.90 mi (7,605.59 km) |
| Castelo Branco to Nampa (Idaho) | 5,178.24 mi (8,333.57 km) |
| Castelo Branco to Nanakuli (Hawaii) | 7,803.66 mi (12,558.78 km) |
| Castelo Branco to Nanticoke (Pennsylvania) | 3,501.95 mi (5,635.84 km) |
| Castelo Branco to Nanuet (New York) | 3,409.03 mi (5,486.31 km) |
| Castelo Branco to Napa (California) | 5,646.40 mi (9,087.01 km) |
| Castelo Branco to Naperville (Illinois) | 4,056.72 mi (6,528.66 km) |
| Castelo Branco to Naples (Florida) | 4,286.53 mi (6,898.50 km) |
| Castelo Branco to Naranja (Florida) | 4,239.13 mi (6,822.22 km) |
| Castelo Branco to Nashua (New Hampshire) | 3,247.43 mi (5,226.24 km) |
| Castelo Branco to Nashville (Tennessee) | 4,176.53 mi (6,721.48 km) |
| Castelo Branco to Natchez (Mississippi) | 4,568.97 mi (7,353.05 km) |
| Castelo Branco to Natchitoches (Louisiana) | 4,645.61 mi (7,476.38 km) |
| Castelo Branco to National City (California) | 5,707.41 mi (9,185.19 km) |
