| Trondheim to Solofra | 1,571.77 mi (2,529.52 km) |
| Trondheim to Somma Lombardo | 1,227.93 mi (1,976.16 km) |
| Trondheim to Somma Vesuviana | 1,567.22 mi (2,522.19 km) |
| Trondheim to Sommacampagna | 1,245.86 mi (2,005.02 km) |
| Trondheim to Sona | 1,243.55 mi (2,001.30 km) |
| Trondheim to Sondrio | 1,192.72 mi (1,919.50 km) |
| Trondheim to Sora | 1,505.87 mi (2,423.46 km) |
| Trondheim to Sorbolo | 1,283.99 mi (2,066.38 km) |
| Trondheim to Soresina | 1,253.75 mi (2,017.71 km) |
| Trondheim to Sorisole | 1,222.75 mi (1,967.82 km) |
| Trondheim to Sorrento | 1,583.80 mi (2,548.88 km) |
| Trondheim to Sorso | 1,565.43 mi (2,519.31 km) |
| Trondheim to Sortino | 1,825.02 mi (2,937.09 km) |
| Trondheim to Soverato Marina | 1,728.76 mi (2,782.17 km) |
| Trondheim to Sovicille | 1,392.38 mi (2,240.82 km) |
