| Grimstad to Solofra | 1,240.38 mi (1,996.20 km) |
| Grimstad to Somma Lombardo | 874.54 mi (1,407.43 km) |
| Grimstad to Somma Vesuviana | 1,233.83 mi (1,985.66 km) |
| Grimstad to Sommacampagna | 899.14 mi (1,447.03 km) |
| Grimstad to Sona | 896.77 mi (1,443.22 km) |
| Grimstad to Sondrio | 842.61 mi (1,356.05 km) |
| Grimstad to Sora | 1,169.24 mi (1,881.70 km) |
| Grimstad to Sorbolo | 935.66 mi (1,505.80 km) |
| Grimstad to Soresina | 903.52 mi (1,454.07 km) |
| Grimstad to Sorisole | 871.93 mi (1,403.23 km) |
| Grimstad to Sorrento | 1,249.91 mi (2,011.54 km) |
| Grimstad to Sorso | 1,212.05 mi (1,950.60 km) |
| Grimstad to Sortino | 1,491.63 mi (2,400.54 km) |
| Grimstad to Soverato Marina | 1,403.86 mi (2,259.30 km) |
| Grimstad to Sovicille | 1,046.51 mi (1,684.20 km) |
