| Robstown to Smyrna (Delaware) | 1,492.14 mi (2,401.37 km) |
| Robstown to Smyrna (Georgia) | 884.82 mi (1,423.97 km) |
| Robstown to Smyrna (Tennessee) | 862.82 mi (1,388.58 km) |
| Robstown to Snellville (Georgia) | 911.46 mi (1,466.85 km) |
| Robstown to Snoqualmie (Washington) | 1,883.89 mi (3,031.82 km) |
| Robstown to Snyder (Texas) | 391.06 mi (629.34 km) |
| Robstown to Socastee (South Carolina) | 1,178.44 mi (1,896.51 km) |
| Robstown to Socorro (Texas) | 579.64 mi (932.85 km) |
| Robstown to Soddy-Daisy (Tennessee) | 897.36 mi (1,444.16 km) |
| Robstown to Solana Beach (California) | 1,219.27 mi (1,962.22 km) |
| Robstown to Soledad (California) | 1,503.49 mi (2,419.64 km) |
| Robstown to Solon (Ohio) | 1,312.46 mi (2,112.21 km) |
| Robstown to Somers Point (New Jersey) | 1,541.44 mi (2,480.70 km) |
| Robstown to Somerset (Kentucky) | 994.10 mi (1,599.85 km) |
| Robstown to Somerset (New Jersey) | 1,581.71 mi (2,545.51 km) |
