| Fallbrook to San Luis Obispo (California) | 236.19 mi (380.10 km) |
| Fallbrook to San Marcos (California) | 16.46 mi (26.49 km) |
| Fallbrook to San Marcos (Texas) | 1,158.54 mi (1,864.50 km) |
| Fallbrook to San Marino (California) | 72.84 mi (117.23 km) |
| Fallbrook to San Mateo (California) | 406.63 mi (654.41 km) |
| Fallbrook to San Pablo (California) | 427.90 mi (688.64 km) |
| Fallbrook to San Rafael (California) | 436.07 mi (701.79 km) |
| Fallbrook to San Ramon (California) | 402.65 mi (648.00 km) |
| Fallbrook to San Tan Valley (Arizona) | 327.35 mi (526.82 km) |
| Fallbrook to Sand Springs (Oklahoma) | 1,210.36 mi (1,947.89 km) |
| Fallbrook to Sandusky (Ohio) | 1,960.68 mi (3,155.41 km) |
| Fallbrook to Sandy (Oregon) | 873.24 mi (1,405.34 km) |
| Fallbrook to Sandy (Utah) | 579.05 mi (931.89 km) |
| Fallbrook to Sandy Springs (Georgia) | 1,881.92 mi (3,028.66 km) |
| Fallbrook to Sanford (Florida) | 2,140.13 mi (3,444.21 km) |
