| Festus to Smyrna (Delaware) | 800.04 mi (1,287.54 km) |
| Festus to Smyrna (Georgia) | 445.88 mi (717.57 km) |
| Festus to Smyrna (Tennessee) | 264.51 mi (425.68 km) |
| Festus to Snellville (Georgia) | 467.73 mi (752.74 km) |
| Festus to Snoqualmie (Washington) | 1,702.06 mi (2,739.20 km) |
| Festus to Snyder (Texas) | 702.12 mi (1,129.96 km) |
| Festus to Socastee (South Carolina) | 709.70 mi (1,142.16 km) |
| Festus to Socorro (Texas) | 1,004.52 mi (1,616.63 km) |
| Festus to Soddy-Daisy (Tennessee) | 354.78 mi (570.96 km) |
| Festus to Solana Beach (California) | 1,544.87 mi (2,486.23 km) |
| Festus to Soledad (California) | 1,695.96 mi (2,729.38 km) |
| Festus to Solon (Ohio) | 523.65 mi (842.73 km) |
| Festus to Somers Point (New Jersey) | 853.60 mi (1,373.74 km) |
| Festus to Somerset (Kentucky) | 326.72 mi (525.81 km) |
| Festus to Somerset (New Jersey) | 863.15 mi (1,389.11 km) |
