| Drogheda to Serik | 2,121.64 mi (3,414.44 km) |
| Drogheda to Serinhisar | 2,018.10 mi (3,247.82 km) |
| Drogheda to Serinyol | 2,349.32 mi (3,780.87 km) |
| Drogheda to Seydisehir | 2,126.57 mi (3,422.39 km) |
| Drogheda to Seyhan | 2,285.17 mi (3,677.63 km) |
| Drogheda to Seyitgazi | 1,985.01 mi (3,194.56 km) |
| Drogheda to Siirt | 2,507.62 mi (4,035.63 km) |
| Drogheda to Sile | 1,863.51 mi (2,999.03 km) |
| Drogheda to Silifke | 2,259.02 mi (3,635.54 km) |
| Drogheda to Silivri | 1,813.89 mi (2,919.17 km) |
| Drogheda to Silopi | 2,560.24 mi (4,120.31 km) |
| Drogheda to Simav | 1,934.66 mi (3,113.54 km) |
| Drogheda to Sinanpasa | 2,000.07 mi (3,218.80 km) |
| Drogheda to Sindirgi | 1,895.70 mi (3,050.83 km) |
| Drogheda to Sinop | 2,050.05 mi (3,299.24 km) |
