| Royse City to Smyrna (Delaware) | 1,231.81 mi (1,982.40 km) |
| Royse City to Smyrna (Georgia) | 682.91 mi (1,099.04 km) |
| Royse City to Smyrna (Tennessee) | 594.45 mi (956.68 km) |
| Royse City to Snellville (Georgia) | 712.32 mi (1,146.37 km) |
| Royse City to Snoqualmie (Washington) | 1,667.08 mi (2,682.90 km) |
| Royse City to Snyder (Texas) | 267.28 mi (430.14 km) |
| Royse City to Socastee (South Carolina) | 999.24 mi (1,608.13 km) |
| Royse City to Socorro (Texas) | 587.70 mi (945.81 km) |
| Royse City to Soddy-Daisy (Tennessee) | 656.23 mi (1,056.09 km) |
| Royse City to Solana Beach (California) | 1,211.58 mi (1,949.85 km) |
| Royse City to Soledad (California) | 1,437.24 mi (2,313.01 km) |
| Royse City to Solon (Ohio) | 1,001.87 mi (1,612.35 km) |
| Royse City to Somers Point (New Jersey) | 1,284.21 mi (2,066.73 km) |
| Royse City to Somerset (Kentucky) | 719.89 mi (1,158.55 km) |
| Royse City to Somerset (New Jersey) | 1,310.69 mi (2,109.35 km) |
