| San Mateo to Keene (New Hampshire) | 2,624.44 mi (4,223.62 km) |
| San Mateo to Keizer (Oregon) | 516.11 mi (830.59 km) |
| San Mateo to Keller (Texas) | 1,446.49 mi (2,327.89 km) |
| San Mateo to Kelso (Washington) | 592.97 mi (954.29 km) |
| San Mateo to Kemp Mill (Maryland) | 2,432.42 mi (3,914.60 km) |
| San Mateo to Ken Caryl (Colorado) | 938.08 mi (1,509.70 km) |
| San Mateo to Kendale Lakes (Florida) | 2,573.55 mi (4,141.72 km) |
| San Mateo to Kendall (Florida) | 2,577.67 mi (4,148.37 km) |
| San Mateo to Kendall Park (New Jersey) | 2,540.90 mi (4,089.19 km) |
| San Mateo to Kendall West (Florida) | 2,571.91 mi (4,139.09 km) |
| San Mateo to Kenmore (New York) | 2,294.87 mi (3,693.24 km) |
| San Mateo to Kenmore (Washington) | 704.72 mi (1,134.13 km) |
| San Mateo to Kenner (Louisiana) | 1,902.98 mi (3,062.55 km) |
| San Mateo to Kennesaw (Georgia) | 2,112.50 mi (3,399.74 km) |
| San Mateo to Kennett (Missouri) | 1,776.32 mi (2,858.71 km) |
