| San Mateo to Jeffersontown (Kentucky) | 1,991.00 mi (3,204.20 km) |
| San Mateo to Jeffersonville (Indiana) | 1,982.31 mi (3,190.22 km) |
| San Mateo to Jenison (Michigan) | 1,944.05 mi (3,128.64 km) |
| San Mateo to Jenks (Oklahoma) | 1,456.84 mi (2,344.56 km) |
| San Mateo to Jennings (Missouri) | 1,734.58 mi (2,791.54 km) |
| San Mateo to Jensen Beach (Florida) | 2,532.65 mi (4,075.91 km) |
| San Mateo to Jericho (New York) | 2,588.32 mi (4,165.51 km) |
| San Mateo to Jerome (Idaho) | 544.54 mi (876.35 km) |
| San Mateo to Jersey City (New Jersey) | 2,562.21 mi (4,123.48 km) |
| San Mateo to Jessup (Maryland) | 2,443.65 mi (3,932.68 km) |
| San Mateo to Johns Creek (Georgia) | 2,134.99 mi (3,435.93 km) |
| San Mateo to Johnson City (New York) | 2,448.95 mi (3,941.20 km) |
| San Mateo to Johnson City (Tennessee) | 2,189.88 mi (3,524.27 km) |
| San Mateo to Johnston (Iowa) | 1,540.76 mi (2,479.61 km) |
| San Mateo to Johnstown (Colorado) | 951.17 mi (1,530.75 km) |
