| Erba to Smyrna (Delaware) | 4,132.81 mi (6,651.12 km) |
| Erba to Smyrna (Georgia) | 4,752.45 mi (7,648.32 km) |
| Erba to Smyrna (Tennessee) | 4,740.36 mi (7,628.87 km) |
| Erba to Snellville (Georgia) | 4,730.78 mi (7,613.46 km) |
| Erba to Snoqualmie (Washington) | 5,340.84 mi (8,595.26 km) |
| Erba to Snyder (Texas) | 5,478.74 mi (8,817.17 km) |
| Erba to Socastee (South Carolina) | 4,521.18 mi (7,276.13 km) |
| Erba to Socorro (Texas) | 5,738.49 mi (9,235.21 km) |
| Erba to Soddy-Daisy (Tennessee) | 4,716.36 mi (7,590.25 km) |
| Erba to Solana Beach (California) | 6,048.06 mi (9,733.41 km) |
| Erba to Soledad (California) | 5,975.09 mi (9,615.98 km) |
| Erba to Solon (Ohio) | 4,289.86 mi (6,903.86 km) |
| Erba to Somers Point (New Jersey) | 4,088.75 mi (6,580.21 km) |
| Erba to Somerset (Kentucky) | 4,609.64 mi (7,418.49 km) |
| Erba to Somerset (New Jersey) | 4,035.95 mi (6,495.23 km) |
