| Portage to Channelview (Texas) | 1,007.67 mi (1,621.68 km) |
| Portage to Chantilly (Virginia) | 484.78 mi (780.18 km) |
| Portage to Chaparral (New Mexico) | 1,338.93 mi (2,154.80 km) |
| Portage to Chapel Hill (North Carolina) | 557.64 mi (897.43 km) |
| Portage to Charleston (Illinois) | 231.28 mi (372.21 km) |
| Portage to Charleston (South Carolina) | 717.39 mi (1,154.52 km) |
| Portage to Charleston (West Virginia) | 338.09 mi (544.10 km) |
| Portage to Charlotte (North Carolina) | 546.80 mi (879.99 km) |
| Portage to Charlottesville (Virginia) | 472.63 mi (760.62 km) |
| Portage to Chaska (Minnesota) | 440.35 mi (708.68 km) |
| Portage to Chatham (Illinois) | 276.23 mi (444.55 km) |
| Portage to Chattanooga (Tennessee) | 493.26 mi (793.82 km) |
| Portage to Cheat Lake (West Virginia) | 346.61 mi (557.82 km) |
| Portage to Chelsea (Alabama) | 615.73 mi (990.92 km) |
| Portage to Chelsea (Massachusetts) | 743.21 mi (1,196.08 km) |
