| Grumo Appula to Somma Lombardo | 514.85 mi (828.57 km) |
| Grumo Appula to Somma Vesuviana | 118.53 mi (190.75 km) |
| Grumo Appula to Sommacampagna | 422.29 mi (679.60 km) |
| Grumo Appula to Sona | 424.46 mi (683.11 km) |
| Grumo Appula to Sondrio | 493.17 mi (793.68 km) |
| Grumo Appula to Sora | 167.03 mi (268.80 km) |
| Grumo Appula to Sorbolo | 412.12 mi (663.25 km) |
| Grumo Appula to Soresina | 453.59 mi (729.99 km) |
| Grumo Appula to Sorisole | 480.81 mi (773.80 km) |
| Grumo Appula to Sorrento | 124.57 mi (200.47 km) |
| Grumo Appula to Sorso | 424.28 mi (682.81 km) |
| Grumo Appula to Sortino | 280.61 mi (451.59 km) |
| Grumo Appula to Soverato Marina | 161.42 mi (259.78 km) |
| Grumo Appula to Sovicille | 320.75 mi (516.20 km) |
| Grumo Appula to Spello | 247.62 mi (398.50 km) |
