| Diamond Bar to San Diego (California) | 90.07 mi (144.96 km) |
| Diamond Bar to San Diego Country Estates (California) | 90.49 mi (145.64 km) |
| Diamond Bar to San Dimas (California) | 7.54 mi (12.14 km) |
| Diamond Bar to San Fernando (California) | 40.71 mi (65.51 km) |
| Diamond Bar to San Francisco (California) | 366.67 mi (590.10 km) |
| Diamond Bar to San Gabriel (California) | 17.49 mi (28.15 km) |
| Diamond Bar to San Germán (Puerto Rico) | 3,301.25 mi (5,312.85 km) |
| Diamond Bar to San Jacinto (California) | 49.31 mi (79.35 km) |
| Diamond Bar to San Jose (California) | 321.33 mi (517.12 km) |
| Diamond Bar to San Juan (Puerto Rico) | 3,346.60 mi (5,385.83 km) |
| Diamond Bar to San Juan (Texas) | 1,290.42 mi (2,076.73 km) |
| Diamond Bar to San Juan Capistrano (California) | 35.67 mi (57.40 km) |
| Diamond Bar to San Leandro (California) | 353.21 mi (568.44 km) |
| Diamond Bar to San Lorenzo (California) | 350.51 mi (564.09 km) |
| Diamond Bar to San Luis (Arizona) | 207.58 mi (334.07 km) |
