| Portage to Cedar Park (Texas) | 1,053.82 mi (1,695.96 km) |
| Portage to Cedar Rapids (Iowa) | 312.52 mi (502.96 km) |
| Portage to Cedarburg (Wisconsin) | 143.41 mi (230.80 km) |
| Portage to Celebration (Florida) | 986.06 mi (1,586.91 km) |
| Portage to Celina (Ohio) | 125.53 mi (202.02 km) |
| Portage to Celina (Texas) | 865.34 mi (1,392.64 km) |
| Portage to Centennial (Colorado) | 1,020.47 mi (1,642.29 km) |
| Portage to Center Point (Alabama) | 594.10 mi (956.11 km) |
| Portage to Centereach (New York) | 652.85 mi (1,050.66 km) |
| Portage to Centerton (Arkansas) | 615.72 mi (990.90 km) |
| Portage to Centerville (Ohio) | 192.69 mi (310.11 km) |
| Portage to Centerville (Utah) | 1,356.76 mi (2,183.50 km) |
| Portage to Central (Louisiana) | 858.96 mi (1,382.37 km) |
| Portage to Central Falls (Rhode Island) | 727.93 mi (1,171.49 km) |
| Portage to Central Islip (New York) | 648.38 mi (1,043.46 km) |
