| North Highlands to Smyrna (Delaware) | 2,431.47 mi (3,913.08 km) |
| North Highlands to Smyrna (Georgia) | 2,065.71 mi (3,324.44 km) |
| North Highlands to Smyrna (Tennessee) | 1,912.24 mi (3,077.45 km) |
| North Highlands to Snellville (Georgia) | 2,093.53 mi (3,369.21 km) |
| North Highlands to Snoqualmie (Washington) | 612.48 mi (985.70 km) |
| North Highlands to Snyder (Texas) | 1,216.49 mi (1,957.76 km) |
| North Highlands to Socastee (South Carolina) | 2,366.46 mi (3,808.45 km) |
| North Highlands to Socorro (Texas) | 980.42 mi (1,577.84 km) |
| North Highlands to Soddy-Daisy (Tennessee) | 1,999.22 mi (3,217.44 km) |
| North Highlands to Solana Beach (California) | 454.82 mi (731.96 km) |
| North Highlands to Soledad (California) | 153.96 mi (247.77 km) |
| North Highlands to Solon (Ohio) | 2,102.26 mi (3,383.27 km) |
| North Highlands to Somers Point (New Jersey) | 2,483.03 mi (3,996.05 km) |
| North Highlands to Somerset (Kentucky) | 1,994.42 mi (3,209.70 km) |
| North Highlands to Somerset (New Jersey) | 2,469.28 mi (3,973.92 km) |
