| Portishead to Myrtle Grove (North Carolina) | 3,811.12 mi (6,133.41 km) |
| Portishead to Nacogdoches (Texas) | 4,621.00 mi (7,436.79 km) |
| Portishead to Nampa (Idaho) | 4,771.60 mi (7,679.14 km) |
| Portishead to Nanakuli (Hawaii) | 7,185.13 mi (11,563.36 km) |
| Portishead to Nanticoke (Pennsylvania) | 3,414.55 mi (5,495.19 km) |
| Portishead to Nanuet (New York) | 3,337.70 mi (5,371.51 km) |
| Portishead to Napa (California) | 5,242.75 mi (8,437.39 km) |
| Portishead to Naperville (Illinois) | 3,873.86 mi (6,234.37 km) |
| Portishead to Naples (Florida) | 4,365.24 mi (7,025.18 km) |
| Portishead to Naranja (Florida) | 4,338.79 mi (6,982.61 km) |
| Portishead to Nashua (New Hampshire) | 3,165.33 mi (5,094.11 km) |
| Portishead to Nashville (Tennessee) | 4,080.58 mi (6,567.07 km) |
| Portishead to Natchez (Mississippi) | 4,493.45 mi (7,231.50 km) |
| Portishead to Natchitoches (Louisiana) | 4,552.87 mi (7,327.14 km) |
| Portishead to National City (California) | 5,395.90 mi (8,683.86 km) |
