| Grimstad to Sestu | 1,315.80 mi (2,117.57 km) |
| Grimstad to Settimo Torinese | 913.20 mi (1,469.65 km) |
| Grimstad to Seveso | 877.58 mi (1,412.33 km) |
| Grimstad to Sezze | 1,179.82 mi (1,898.73 km) |
| Grimstad to Siano | 1,240.98 mi (1,997.16 km) |
| Grimstad to Siena | 1,044.57 mi (1,681.07 km) |
| Grimstad to Signa | 1,011.50 mi (1,627.85 km) |
| Grimstad to Silea | 890.21 mi (1,432.65 km) |
| Grimstad to Silvi Paese | 1,116.84 mi (1,797.38 km) |
| Grimstad to Sinalunga | 1,053.63 mi (1,695.66 km) |
| Grimstad to Siniscola | 1,228.48 mi (1,977.05 km) |
| Grimstad to Sinnai | 1,315.67 mi (2,117.37 km) |
| Grimstad to Siracusa | 1,500.55 mi (2,414.90 km) |
| Grimstad to Solaro | 879.49 mi (1,415.40 km) |
| Grimstad to Soliera | 945.01 mi (1,520.85 km) |
