| Portage to Candler-McAfee (Georgia) | 589.81 mi (949.21 km) |
| Portage to Caño Martin Peña (Puerto Rico) | 2,003.04 mi (3,223.57 km) |
| Portage to Cañon City (Colorado) | 1,063.51 mi (1,711.56 km) |
| Portage to Canóvanas (Puerto Rico) | 2,011.72 mi (3,237.55 km) |
| Portage to Canton (Georgia) | 552.74 mi (889.56 km) |
| Portage to Canton (Illinois) | 256.89 mi (413.43 km) |
| Portage to Canton (Mississippi) | 706.55 mi (1,137.09 km) |
| Portage to Canton (Ohio) | 238.72 mi (384.18 km) |
| Portage to Canyon (Texas) | 1,010.21 mi (1,625.78 km) |
| Portage to Canyon Lake (California) | 1,810.88 mi (2,914.33 km) |
| Portage to Canyon Lake (Texas) | 1,104.75 mi (1,777.92 km) |
| Portage to Cape Coral (Florida) | 1,093.86 mi (1,760.40 km) |
| Portage to Cape Girardeau (Missouri) | 398.08 mi (640.65 km) |
| Portage to Carbondale (Illinois) | 364.25 mi (586.21 km) |
| Portage to Carlisle (Pennsylvania) | 457.17 mi (735.74 km) |
