| Frondenberg to Somma Lombardo | 402.22 mi (647.31 km) |
| Frondenberg to Somma Vesuviana | 798.07 mi (1,284.37 km) |
| Frondenberg to Sommacampagna | 442.60 mi (712.30 km) |
| Frondenberg to Sona | 440.17 mi (708.38 km) |
| Frondenberg to Sondrio | 378.60 mi (609.30 km) |
| Frondenberg to Sora | 728.44 mi (1,172.31 km) |
| Frondenberg to Sorbolo | 474.10 mi (762.99 km) |
| Frondenberg to Soresina | 437.96 mi (704.83 km) |
| Frondenberg to Sorisole | 405.48 mi (652.55 km) |
| Frondenberg to Sorrento | 812.69 mi (1,307.89 km) |
| Frondenberg to Sorso | 738.48 mi (1,188.48 km) |
| Frondenberg to Sortino | 1,050.38 mi (1,690.43 km) |
| Frondenberg to Soverato Marina | 980.40 mi (1,577.81 km) |
| Frondenberg to Sovicille | 588.40 mi (946.94 km) |
| Frondenberg to Spello | 629.34 mi (1,012.83 km) |
