| Portage to Newport Beach (California) | 1,843.91 mi (2,967.49 km) |
| Portage to Newport East (Rhode Island) | 736.68 mi (1,185.58 km) |
| Portage to Newport News (Virginia) | 596.79 mi (960.45 km) |
| Portage to Newton (Iowa) | 384.28 mi (618.44 km) |
| Portage to Newton (Kansas) | 683.64 mi (1,100.21 km) |
| Portage to Newton (Massachusetts) | 734.56 mi (1,182.15 km) |
| Portage to Newton (North Carolina) | 508.58 mi (818.48 km) |
| Portage to Niagara Falls (New York) | 339.74 mi (546.76 km) |
| Portage to Niceville (Florida) | 807.87 mi (1,300.15 km) |
| Portage to Nicholasville (Kentucky) | 302.63 mi (487.03 km) |
| Portage to Niles (Illinois) | 114.37 mi (184.05 km) |
| Portage to Niles (Michigan) | 42.12 mi (67.78 km) |
| Portage to Niles (Ohio) | 259.15 mi (417.06 km) |
| Portage to Nipomo (California) | 1,933.82 mi (3,112.18 km) |
| Portage to Nixa (Missouri) | 542.73 mi (873.44 km) |
