| Greenock to Santa Venerina | 1,562.10 mi (2,513.96 km) |
| Greenock to Santeramo in Colle | 1,427.74 mi (2,297.73 km) |
| Greenock to Santo Stefano di Magra | 1,038.32 mi (1,671.02 km) |
| Greenock to Santo Stino di Livenza | 1,032.79 mi (1,662.11 km) |
| Greenock to Sarezzo | 962.15 mi (1,548.43 km) |
| Greenock to Sarno | 1,363.06 mi (2,193.63 km) |
| Greenock to Saronno | 930.51 mi (1,497.52 km) |
| Greenock to Sarzana | 1,042.37 mi (1,677.53 km) |
| Greenock to Sassari | 1,212.15 mi (1,950.76 km) |
| Greenock to Sasso Marconi | 1,062.11 mi (1,709.30 km) |
| Greenock to Sassuolo | 1,040.29 mi (1,674.18 km) |
| Greenock to Sava | 1,474.66 mi (2,373.23 km) |
| Greenock to Saviano | 1,354.42 mi (2,179.72 km) |
| Greenock to Savigliano | 950.32 mi (1,529.39 km) |
| Greenock to Savignano sul Panaro | 1,051.21 mi (1,691.76 km) |
