| Ottawa to Kennewick (Washington) | 1,540.46 mi (2,479.12 km) |
| Ottawa to Kenosha (Wisconsin) | 98.03 mi (157.76 km) |
| Ottawa to Kent (Ohio) | 387.92 mi (624.30 km) |
| Ottawa to Kent (Washington) | 1,686.70 mi (2,714.48 km) |
| Ottawa to Kentwood (Michigan) | 196.53 mi (316.28 km) |
| Ottawa to Kerman (California) | 1,697.00 mi (2,731.06 km) |
| Ottawa to Kernersville (North Carolina) | 594.07 mi (956.06 km) |
| Ottawa to Kerrville (Texas) | 970.87 mi (1,562.47 km) |
| Ottawa to Kettering (Maryland) | 657.79 mi (1,058.61 km) |
| Ottawa to Kettering (Ohio) | 271.02 mi (436.17 km) |
| Ottawa to Kewanee (Illinois) | 57.67 mi (92.81 km) |
| Ottawa to Key Biscayne (Florida) | 1,190.19 mi (1,915.42 km) |
| Ottawa to Key Largo (Florida) | 1,220.92 mi (1,964.88 km) |
| Ottawa to Key West (Florida) | 1,228.90 mi (1,977.72 km) |
| Ottawa to Keystone (Florida) | 978.99 mi (1,575.53 km) |
