| Portage to Owosso (Michigan) | 90.54 mi (145.71 km) |
| Portage to Oxford (Alabama) | 594.62 mi (956.95 km) |
| Portage to Oxford (Mississippi) | 582.02 mi (936.67 km) |
| Portage to Oxford (Ohio) | 191.31 mi (307.88 km) |
| Portage to Oxnard (California) | 1,892.09 mi (3,045.03 km) |
| Portage to Oxon Hill (Maryland) | 510.15 mi (821.00 km) |
| Portage to Ozark (Alabama) | 742.70 mi (1,195.27 km) |
| Portage to Ozark (Missouri) | 539.95 mi (868.96 km) |
| Portage to Pace (Florida) | 804.93 mi (1,295.40 km) |
| Portage to Pacific Grove (California) | 1,962.24 mi (3,157.92 km) |
| Portage to Pacifica (California) | 1,965.01 mi (3,162.37 km) |
| Portage to Paducah (Kentucky) | 389.77 mi (627.27 km) |
| Portage to Pahrump (Nevada) | 1,669.70 mi (2,687.12 km) |
| Portage to Painesville (Ohio) | 225.21 mi (362.44 km) |
| Portage to Palatine (Illinois) | 125.73 mi (202.34 km) |
