| Portage to Colton (California) | 1,802.27 mi (2,900.47 km) |
| Portage to Columbia (Illinois) | 355.12 mi (571.51 km) |
| Portage to Columbia (Maryland) | 501.82 mi (807.60 km) |
| Portage to Columbia (Missouri) | 418.71 mi (673.86 km) |
| Portage to Columbia (Pennsylvania) | 496.26 mi (798.65 km) |
| Portage to Columbia (South Carolina) | 618.57 mi (995.49 km) |
| Portage to Columbia (Tennessee) | 461.06 mi (742.00 km) |
| Portage to Columbia Heights (Minnesota) | 430.31 mi (692.51 km) |
| Portage to Columbine (Colorado) | 1,030.88 mi (1,659.05 km) |
| Portage to Columbus (Georgia) | 670.65 mi (1,079.31 km) |
| Portage to Columbus (Indiana) | 207.35 mi (333.70 km) |
| Portage to Columbus (Mississippi) | 619.78 mi (997.44 km) |
| Portage to Columbus (Nebraska) | 607.66 mi (977.94 km) |
| Portage to Columbus (Ohio) | 204.42 mi (328.99 km) |
| Portage to Commack (New York) | 642.94 mi (1,034.71 km) |
