| Rockwall to Somersworth (New Hampshire) | 1,553.63 mi (2,500.33 km) |
| Rockwall to Somerton (Arizona) | 1,060.00 mi (1,705.91 km) |
| Rockwall to Somerville (Massachusetts) | 1,524.89 mi (2,454.07 km) |
| Rockwall to Somerville (New Jersey) | 1,314.52 mi (2,115.52 km) |
| Rockwall to Sonoma (California) | 1,502.77 mi (2,418.47 km) |
| Rockwall to Soquel (California) | 1,467.24 mi (2,361.29 km) |
| Rockwall to South Bend (Indiana) | 822.60 mi (1,323.85 km) |
| Rockwall to South Bradenton (Florida) | 908.24 mi (1,461.67 km) |
| Rockwall to South Burlington (Vermont) | 1,476.52 mi (2,376.23 km) |
| Rockwall to South Charleston (West Virginia) | 906.36 mi (1,458.65 km) |
| Rockwall to South Daytona (Florida) | 948.57 mi (1,526.57 km) |
| Rockwall to South El Monte (California) | 1,245.53 mi (2,004.48 km) |
| Rockwall to South Elgin (Illinois) | 768.33 mi (1,236.50 km) |
| Rockwall to South Euclid (Ohio) | 1,010.96 mi (1,626.98 km) |
| Rockwall to South Farmingdale (New York) | 1,375.86 mi (2,214.24 km) |
