| Portage to Kennewick (Washington) | 1,673.40 mi (2,693.08 km) |
| Portage to Kenosha (Wisconsin) | 119.70 mi (192.64 km) |
| Portage to Kent (Ohio) | 230.01 mi (370.17 km) |
| Portage to Kent (Washington) | 1,813.53 mi (2,918.60 km) |
| Portage to Kentwood (Michigan) | 47.34 mi (76.19 km) |
| Portage to Kerman (California) | 1,864.06 mi (2,999.91 km) |
| Portage to Kernersville (North Carolina) | 513.84 mi (826.94 km) |
| Portage to Kerrville (Texas) | 1,127.21 mi (1,814.07 km) |
| Portage to Kettering (Maryland) | 515.30 mi (829.29 km) |
| Portage to Kettering (Ohio) | 188.67 mi (303.63 km) |
| Portage to Kewanee (Illinois) | 233.21 mi (375.31 km) |
| Portage to Key Biscayne (Florida) | 1,181.62 mi (1,901.64 km) |
| Portage to Key Largo (Florida) | 1,216.31 mi (1,957.46 km) |
| Portage to Key West (Florida) | 1,237.86 mi (1,992.14 km) |
| Portage to Keystone (Florida) | 986.45 mi (1,587.53 km) |
