| Knoxville to Solofra | 5,052.10 mi (8,130.57 km) |
| Knoxville to Somma Lombardo | 4,614.73 mi (7,426.69 km) |
| Knoxville to Somma Vesuviana | 5,032.55 mi (8,099.11 km) |
| Knoxville to Sommacampagna | 4,715.18 mi (7,588.35 km) |
| Knoxville to Sona | 4,713.33 mi (7,585.38 km) |
| Knoxville to Sondrio | 4,647.97 mi (7,480.18 km) |
| Knoxville to Sora | 4,965.19 mi (7,990.71 km) |
| Knoxville to Sorbolo | 4,717.15 mi (7,591.51 km) |
| Knoxville to Soresina | 4,677.05 mi (7,526.99 km) |
| Knoxville to Sorisole | 4,653.42 mi (7,488.96 km) |
| Knoxville to Sorrento | 5,039.01 mi (8,109.50 km) |
| Knoxville to Sorso | 4,774.24 mi (7,683.40 km) |
| Knoxville to Sortino | 5,201.17 mi (8,370.47 km) |
| Knoxville to Soverato Marina | 5,210.02 mi (8,384.72 km) |
| Knoxville to Sovicille | 4,805.11 mi (7,733.08 km) |
