| Middlesex to San Diego (California) | 2,396.52 mi (3,856.83 km) |
| Middlesex to San Diego Country Estates (California) | 2,373.71 mi (3,820.12 km) |
| Middlesex to San Dimas (California) | 2,395.93 mi (3,855.88 km) |
| Middlesex to San Fernando (California) | 2,423.79 mi (3,900.71 km) |
| Middlesex to San Francisco (California) | 2,543.96 mi (4,094.11 km) |
| Middlesex to San Gabriel (California) | 2,411.49 mi (3,880.92 km) |
| Middlesex to San Germán (Puerto Rico) | 1,616.02 mi (2,600.73 km) |
| Middlesex to San Jacinto (California) | 2,361.79 mi (3,800.94 km) |
| Middlesex to San Jose (California) | 2,523.96 mi (4,061.92 km) |
| Middlesex to San Juan (Puerto Rico) | 1,612.10 mi (2,594.43 km) |
| Middlesex to San Juan (Texas) | 1,678.96 mi (2,702.03 km) |
| Middlesex to San Juan Capistrano (California) | 2,404.96 mi (3,870.41 km) |
| Middlesex to San Leandro (California) | 2,530.43 mi (4,072.34 km) |
| Middlesex to San Lorenzo (California) | 2,529.86 mi (4,071.41 km) |
| Middlesex to San Luis (Arizona) | 2,280.02 mi (3,669.33 km) |
