| Portage to Noblesville (Indiana) | 151.09 mi (243.16 km) |
| Portage to Nocatee (Florida) | 868.14 mi (1,397.14 km) |
| Portage to Nogales (Arizona) | 1,581.21 mi (2,544.70 km) |
| Portage to Nolensville (Tennessee) | 435.21 mi (700.40 km) |
| Portage to Norco (California) | 1,817.77 mi (2,925.43 km) |
| Portage to Norcross (Georgia) | 575.77 mi (926.62 km) |
| Portage to Norfolk (Nebraska) | 606.00 mi (975.26 km) |
| Portage to Norfolk (Virginia) | 617.08 mi (993.10 km) |
| Portage to Normal (Illinois) | 210.91 mi (339.43 km) |
| Portage to Norman (Oklahoma) | 794.59 mi (1,278.77 km) |
| Portage to Norridge (Illinois) | 115.64 mi (186.10 km) |
| Portage to Norristown (Pennsylvania) | 551.81 mi (888.06 km) |
| Portage to North Adams (Massachusetts) | 636.32 mi (1,024.07 km) |
| Portage to North Amityville (New York) | 638.58 mi (1,027.70 km) |
| Portage to North Arlington (New Jersey) | 600.75 mi (966.82 km) |
