| Greenock to Suhut | 2,012.33 mi (3,238.54 km) |
| Greenock to Sulakyurt | 2,046.67 mi (3,293.80 km) |
| Greenock to Sultanbeyli | 1,842.61 mi (2,965.39 km) |
| Greenock to Sultandagi | 2,037.00 mi (3,278.23 km) |
| Greenock to Sultanhani | 2,135.81 mi (3,437.25 km) |
| Greenock to Sultanhisar | 1,961.26 mi (3,156.35 km) |
| Greenock to Suluova | 2,086.40 mi (3,357.73 km) |
| Greenock to Sumbas | 2,268.41 mi (3,650.66 km) |
| Greenock to Sungurlu | 2,071.09 mi (3,333.10 km) |
| Greenock to Surmene | 2,252.29 mi (3,624.71 km) |
| Greenock to Suruc | 2,381.26 mi (3,832.27 km) |
| Greenock to Susehri | 2,210.89 mi (3,558.08 km) |
| Greenock to Susurluk | 1,855.89 mi (2,986.77 km) |
| Greenock to Susuz | 2,374.67 mi (3,821.66 km) |
| Greenock to Sutculer | 2,081.87 mi (3,350.45 km) |
