| Mugnano di Napoli to Smyrna (Delaware) | 4,517.41 mi (7,270.06 km) |
| Mugnano di Napoli to Smyrna (Georgia) | 5,137.38 mi (8,267.82 km) |
| Mugnano di Napoli to Smyrna (Tennessee) | 5,133.28 mi (8,261.21 km) |
| Mugnano di Napoli to Snellville (Georgia) | 5,114.83 mi (8,231.52 km) |
| Mugnano di Napoli to Snoqualmie (Washington) | 5,759.52 mi (9,269.05 km) |
| Mugnano di Napoli to Snyder (Texas) | 5,885.63 mi (9,472.00 km) |
| Mugnano di Napoli to Socastee (South Carolina) | 4,895.77 mi (7,878.98 km) |
| Mugnano di Napoli to Socorro (Texas) | 6,150.14 mi (9,897.69 km) |
| Mugnano di Napoli to Soddy-Daisy (Tennessee) | 5,105.64 mi (8,216.74 km) |
| Mugnano di Napoli to Solana Beach (California) | 6,468.47 mi (10,410.00 km) |
| Mugnano di Napoli to Soledad (California) | 6,396.64 mi (10,294.39 km) |
| Mugnano di Napoli to Solon (Ohio) | 4,687.55 mi (7,543.89 km) |
| Mugnano di Napoli to Somers Point (New Jersey) | 4,471.89 mi (7,196.81 km) |
| Mugnano di Napoli to Somerset (Kentucky) | 5,002.16 mi (8,050.19 km) |
| Mugnano di Napoli to Somerset (New Jersey) | 4,422.28 mi (7,116.97 km) |
