| Hafnarfjordhur to Somma Lombardo | 1,726.32 mi (2,778.25 km) |
| Hafnarfjordhur to Somma Vesuviana | 2,159.68 mi (3,475.67 km) |
| Hafnarfjordhur to Sommacampagna | 1,798.54 mi (2,894.47 km) |
| Hafnarfjordhur to Sona | 1,796.17 mi (2,890.65 km) |
| Hafnarfjordhur to Sondrio | 1,728.23 mi (2,781.32 km) |
| Hafnarfjordhur to Sora | 2,087.85 mi (3,360.06 km) |
| Hafnarfjordhur to Sorbolo | 1,820.39 mi (2,929.63 km) |
| Hafnarfjordhur to Soresina | 1,779.29 mi (2,863.49 km) |
| Hafnarfjordhur to Sorisole | 1,747.77 mi (2,812.76 km) |
| Hafnarfjordhur to Sorrento | 2,172.68 mi (3,496.58 km) |
| Hafnarfjordhur to Sorso | 2,017.21 mi (3,246.38 km) |
| Hafnarfjordhur to Sortino | 2,399.50 mi (3,861.62 km) |
| Hafnarfjordhur to Soverato Marina | 2,346.63 mi (3,776.54 km) |
| Hafnarfjordhur to Sovicille | 1,932.88 mi (3,110.68 km) |
| Hafnarfjordhur to Spello | 1,987.65 mi (3,198.81 km) |
