| Portage to Jeffersontown (Kentucky) | 276.04 mi (444.24 km) |
| Portage to Jeffersonville (Indiana) | 266.93 mi (429.58 km) |
| Portage to Jenison (Michigan) | 50.26 mi (80.89 km) |
| Portage to Jenks (Oklahoma) | 701.67 mi (1,129.23 km) |
| Portage to Jennings (Missouri) | 343.52 mi (552.84 km) |
| Portage to Jensen Beach (Florida) | 1,076.49 mi (1,732.44 km) |
| Portage to Jericho (New York) | 630.61 mi (1,014.87 km) |
| Portage to Jerome (Idaho) | 1,467.64 mi (2,361.94 km) |
| Portage to Jersey City (New Jersey) | 604.84 mi (973.40 km) |
| Portage to Jessup (Maryland) | 507.35 mi (816.49 km) |
| Portage to Johns Creek (Georgia) | 569.26 mi (916.14 km) |
| Portage to Johnson City (New York) | 492.88 mi (793.22 km) |
| Portage to Johnson City (Tennessee) | 439.66 mi (707.56 km) |
| Portage to Johnston (Iowa) | 419.26 mi (674.74 km) |
| Portage to Johnstown (Colorado) | 1,011.06 mi (1,627.15 km) |
