| Portimao to Naugatuck (Connecticut) | 3,381.10 mi (5,441.36 km) |
| Portimao to Navarre (Florida) | 4,395.13 mi (7,073.27 km) |
| Portimao to Nederland (Texas) | 4,776.55 mi (7,687.11 km) |
| Portimao to Neenah (Wisconsin) | 4,051.01 mi (6,519.47 km) |
| Portimao to Neosho (Missouri) | 4,553.30 mi (7,327.82 km) |
| Portimao to Nesconset (New York) | 3,399.54 mi (5,471.02 km) |
| Portimao to New Albany (Indiana) | 4,090.84 mi (6,583.58 km) |
| Portimao to New Albany (Ohio) | 3,892.44 mi (6,264.28 km) |
| Portimao to New Baltimore (Michigan) | 3,822.80 mi (6,152.21 km) |
| Portimao to New Baltimore (Virginia) | 3,676.41 mi (5,916.61 km) |
| Portimao to New Bedford (Massachusetts) | 3,273.14 mi (5,267.62 km) |
| Portimao to New Berlin (Wisconsin) | 4,067.84 mi (6,546.55 km) |
| Portimao to New Bern (North Carolina) | 3,740.75 mi (6,020.16 km) |
| Portimao to New Braunfels (Texas) | 4,994.62 mi (8,038.06 km) |
| Portimao to New Brighton (Minnesota) | 4,237.73 mi (6,819.97 km) |
