| Fallbrook to Southern Pines (North Carolina) | 2,149.97 mi (3,460.04 km) |
| Fallbrook to Southfield (Michigan) | 1,940.11 mi (3,122.30 km) |
| Fallbrook to Southgate (Michigan) | 1,940.50 mi (3,122.93 km) |
| Fallbrook to Southlake (Texas) | 1,159.73 mi (1,866.40 km) |
| Fallbrook to Spanaway (Washington) | 986.79 mi (1,588.09 km) |
| Fallbrook to Spanish Fork (Utah) | 558.78 mi (899.27 km) |
| Fallbrook to Spanish Lake (Missouri) | 1,548.32 mi (2,491.77 km) |
| Fallbrook to Spanish Springs (Nevada) | 455.07 mi (732.36 km) |
| Fallbrook to Sparks (Nevada) | 450.39 mi (724.84 km) |
| Fallbrook to Spartanburg (South Carolina) | 2,010.80 mi (3,236.08 km) |
| Fallbrook to Spearfish (South Dakota) | 1,050.83 mi (1,691.15 km) |
| Fallbrook to Speedway (Indiana) | 1,765.47 mi (2,841.24 km) |
| Fallbrook to Spencer (Iowa) | 1,368.79 mi (2,202.86 km) |
| Fallbrook to Spokane (Washington) | 987.94 mi (1,589.94 km) |
| Fallbrook to Spokane Valley (Washington) | 987.57 mi (1,589.34 km) |
