| Howard to Smyrna (Delaware) | 736.89 mi (1,185.91 km) |
| Howard to Smyrna (Georgia) | 763.93 mi (1,229.43 km) |
| Howard to Smyrna (Tennessee) | 599.99 mi (965.59 km) |
| Howard to Snellville (Georgia) | 771.68 mi (1,241.90 km) |
| Howard to Snoqualmie (Washington) | 1,618.24 mi (2,604.30 km) |
| Howard to Snyder (Texas) | 1,069.55 mi (1,721.28 km) |
| Howard to Socastee (South Carolina) | 894.52 mi (1,439.60 km) |
| Howard to Socorro (Texas) | 1,326.28 mi (2,134.45 km) |
| Howard to Soddy-Daisy (Tennessee) | 661.69 mi (1,064.88 km) |
| Howard to Solana Beach (California) | 1,749.65 mi (2,815.80 km) |
| Howard to Soledad (California) | 1,820.27 mi (2,929.45 km) |
| Howard to Solon (Ohio) | 401.65 mi (646.39 km) |
| Howard to Somers Point (New Jersey) | 781.01 mi (1,256.91 km) |
| Howard to Somerset (Kentucky) | 548.25 mi (882.32 km) |
| Howard to Somerset (New Jersey) | 745.53 mi (1,199.82 km) |
