| Red Oak to Smyrna (Delaware) | 1,270.40 mi (2,044.50 km) |
| Red Oak to Smyrna (Georgia) | 715.03 mi (1,150.73 km) |
| Red Oak to Smyrna (Tennessee) | 632.15 mi (1,017.35 km) |
| Red Oak to Snellville (Georgia) | 744.37 mi (1,197.95 km) |
| Red Oak to Snoqualmie (Washington) | 1,670.15 mi (2,687.85 km) |
| Red Oak to Snyder (Texas) | 240.41 mi (386.91 km) |
| Red Oak to Socastee (South Carolina) | 1,030.83 mi (1,658.96 km) |
| Red Oak to Socorro (Texas) | 557.77 mi (897.64 km) |
| Red Oak to Soddy-Daisy (Tennessee) | 691.87 mi (1,113.46 km) |
| Red Oak to Solana Beach (California) | 1,188.03 mi (1,911.95 km) |
| Red Oak to Soledad (California) | 1,420.51 mi (2,286.09 km) |
| Red Oak to Solon (Ohio) | 1,042.96 mi (1,678.48 km) |
| Red Oak to Somers Point (New Jersey) | 1,322.65 mi (2,128.60 km) |
| Red Oak to Somerset (Kentucky) | 758.51 mi (1,220.70 km) |
| Red Oak to Somerset (New Jersey) | 1,350.02 mi (2,172.65 km) |
