| Fallbrook to Somersworth (New Hampshire) | 2,568.35 mi (4,133.35 km) |
| Fallbrook to Somerton (Arizona) | 155.75 mi (250.66 km) |
| Fallbrook to Somerville (Massachusetts) | 2,558.48 mi (4,117.47 km) |
| Fallbrook to Somerville (New Jersey) | 2,380.60 mi (3,831.21 km) |
| Fallbrook to Sonoma (California) | 448.78 mi (722.25 km) |
| Fallbrook to Soquel (California) | 365.92 mi (588.89 km) |
| Fallbrook to South Bend (Indiana) | 1,779.53 mi (2,863.88 km) |
| Fallbrook to South Bradenton (Florida) | 2,094.25 mi (3,370.36 km) |
| Fallbrook to South Burlington (Vermont) | 2,453.69 mi (3,948.83 km) |
| Fallbrook to South Charleston (West Virginia) | 2,005.43 mi (3,227.42 km) |
| Fallbrook to South Daytona (Florida) | 2,147.93 mi (3,456.76 km) |
| Fallbrook to South El Monte (California) | 66.65 mi (107.26 km) |
| Fallbrook to South Elgin (Illinois) | 1,679.64 mi (2,703.11 km) |
| Fallbrook to South Euclid (Ohio) | 2,021.88 mi (3,253.91 km) |
| Fallbrook to South Farmingdale (New York) | 2,441.10 mi (3,928.58 km) |
