| Gronau to Somma Lombardo | 457.32 mi (735.99 km) |
| Gronau to Somma Vesuviana | 857.65 mi (1,380.26 km) |
| Gronau to Sommacampagna | 501.41 mi (806.94 km) |
| Gronau to Sona | 498.97 mi (803.01 km) |
| Gronau to Sondrio | 436.52 mi (702.52 km) |
| Gronau to Sora | 787.89 mi (1,267.98 km) |
| Gronau to Sorbolo | 532.14 mi (856.39 km) |
| Gronau to Soresina | 495.33 mi (797.15 km) |
| Gronau to Sorisole | 462.75 mi (744.72 km) |
| Gronau to Sorrento | 872.21 mi (1,403.69 km) |
| Gronau to Sorso | 791.97 mi (1,274.55 km) |
| Gronau to Sortino | 1,109.58 mi (1,785.69 km) |
| Gronau to Soverato Marina | 1,040.16 mi (1,673.97 km) |
| Gronau to Sovicille | 646.67 mi (1,040.71 km) |
| Gronau to Spello | 688.65 mi (1,108.27 km) |
