| Encinitas to Smyrna (Delaware) | 2,341.86 mi (3,768.86 km) |
| Encinitas to Smyrna (Georgia) | 1,880.37 mi (3,026.16 km) |
| Encinitas to Smyrna (Tennessee) | 1,754.21 mi (2,823.12 km) |
| Encinitas to Snellville (Georgia) | 1,909.60 mi (3,073.21 km) |
| Encinitas to Snoqualmie (Washington) | 1,028.70 mi (1,655.54 km) |
| Encinitas to Snyder (Texas) | 947.99 mi (1,525.64 km) |
| Encinitas to Socastee (South Carolina) | 2,194.94 mi (3,532.41 km) |
| Encinitas to Socorro (Texas) | 649.21 mi (1,044.80 km) |
| Encinitas to Soddy-Daisy (Tennessee) | 1,833.03 mi (2,949.98 km) |
| Encinitas to Solana Beach (California) | 3.80 mi (6.11 km) |
| Encinitas to Soledad (California) | 329.61 mi (530.45 km) |
| Encinitas to Solon (Ohio) | 2,037.26 mi (3,278.65 km) |
| Encinitas to Somers Point (New Jersey) | 2,395.27 mi (3,854.81 km) |
| Encinitas to Somerset (Kentucky) | 1,858.08 mi (2,990.30 km) |
| Encinitas to Somerset (New Jersey) | 2,397.52 mi (3,858.43 km) |
