| San Mateo to Kennewick (Washington) | 618.66 mi (995.63 km) |
| San Mateo to Kenosha (Wisconsin) | 1,840.48 mi (2,961.97 km) |
| San Mateo to Kent (Ohio) | 2,181.80 mi (3,511.27 km) |
| San Mateo to Kent (Washington) | 679.65 mi (1,093.80 km) |
| San Mateo to Kentwood (Michigan) | 1,955.94 mi (3,147.79 km) |
| San Mateo to Kerman (California) | 136.45 mi (219.60 km) |
| San Mateo to Kernersville (North Carolina) | 2,317.73 mi (3,730.03 km) |
| San Mateo to Kerrville (Texas) | 1,423.85 mi (2,291.47 km) |
| San Mateo to Kettering (Maryland) | 2,446.88 mi (3,937.88 km) |
| San Mateo to Kettering (Ohio) | 2,049.81 mi (3,298.85 km) |
| San Mateo to Kewanee (Illinois) | 1,737.63 mi (2,796.45 km) |
| San Mateo to Key Biscayne (Florida) | 2,587.33 mi (4,163.91 km) |
| San Mateo to Key Largo (Florida) | 2,593.13 mi (4,173.23 km) |
| San Mateo to Key West (Florida) | 2,538.37 mi (4,085.12 km) |
| San Mateo to Keystone (Florida) | 2,376.25 mi (3,824.20 km) |
