| Drogheda to Sulakyurt | 2,073.30 mi (3,336.66 km) |
| Drogheda to Sultanbeyli | 1,858.82 mi (2,991.48 km) |
| Drogheda to Sultandagi | 2,049.01 mi (3,297.57 km) |
| Drogheda to Sultanhani | 2,154.09 mi (3,466.67 km) |
| Drogheda to Sultanhisar | 1,960.07 mi (3,154.43 km) |
| Drogheda to Suluova | 2,121.51 mi (3,414.23 km) |
| Drogheda to Sumbas | 2,291.21 mi (3,687.34 km) |
| Drogheda to Sungurlu | 2,099.70 mi (3,379.14 km) |
| Drogheda to Surmene | 2,299.63 mi (3,700.90 km) |
| Drogheda to Suruc | 2,409.37 mi (3,877.50 km) |
| Drogheda to Susehri | 2,250.01 mi (3,621.04 km) |
| Drogheda to Susurluk | 1,863.48 mi (2,998.99 km) |
| Drogheda to Susuz | 2,428.92 mi (3,908.97 km) |
| Drogheda to Sutculer | 2,088.86 mi (3,361.70 km) |
| Drogheda to Talas | 2,214.64 mi (3,564.11 km) |
