| Cahokia to Smyrna (Delaware) | 783.95 mi (1,261.64 km) |
| Cahokia to Smyrna (Georgia) | 452.77 mi (728.66 km) |
| Cahokia to Smyrna (Tennessee) | 269.26 mi (433.33 km) |
| Cahokia to Snellville (Georgia) | 473.45 mi (761.95 km) |
| Cahokia to Snoqualmie (Washington) | 1,699.98 mi (2,735.86 km) |
| Cahokia to Snyder (Texas) | 724.90 mi (1,166.62 km) |
| Cahokia to Socastee (South Carolina) | 707.95 mi (1,139.34 km) |
| Cahokia to Socorro (Texas) | 1,025.20 mi (1,649.90 km) |
| Cahokia to Soddy-Daisy (Tennessee) | 358.65 mi (577.18 km) |
| Cahokia to Solana Beach (California) | 1,559.63 mi (2,509.98 km) |
| Cahokia to Soledad (California) | 1,706.23 mi (2,745.92 km) |
| Cahokia to Solon (Ohio) | 501.81 mi (807.58 km) |
| Cahokia to Somers Point (New Jersey) | 837.46 mi (1,347.76 km) |
| Cahokia to Somerset (Kentucky) | 320.62 mi (515.98 km) |
| Cahokia to Somerset (New Jersey) | 844.99 mi (1,359.87 km) |
