| Guardiagrele to Smyrna (Delaware) | 4,471.26 mi (7,195.80 km) |
| Guardiagrele to Smyrna (Georgia) | 5,091.26 mi (8,193.59 km) |
| Guardiagrele to Smyrna (Tennessee) | 5,083.50 mi (8,181.11 km) |
| Guardiagrele to Snellville (Georgia) | 5,069.09 mi (8,157.90 km) |
| Guardiagrele to Snoqualmie (Washington) | 5,681.09 mi (9,142.82 km) |
| Guardiagrele to Snyder (Texas) | 5,828.47 mi (9,380.01 km) |
| Guardiagrele to Socastee (South Carolina) | 4,853.90 mi (7,811.60 km) |
| Guardiagrele to Socorro (Texas) | 6,089.84 mi (9,800.65 km) |
| Guardiagrele to Soddy-Daisy (Tennessee) | 5,057.57 mi (8,139.37 km) |
| Guardiagrele to Solana Beach (California) | 6,399.40 mi (10,298.84 km) |
| Guardiagrele to Soledad (California) | 6,323.18 mi (10,176.17 km) |
| Guardiagrele to Solon (Ohio) | 4,635.34 mi (7,459.87 km) |
| Guardiagrele to Somers Point (New Jersey) | 4,426.35 mi (7,123.53 km) |
| Guardiagrele to Somerset (Kentucky) | 4,952.55 mi (7,970.35 km) |
| Guardiagrele to Somerset (New Jersey) | 4,375.35 mi (7,041.44 km) |
