| Drogheda to Smyrna (Delaware) | 3,297.37 mi (5,306.60 km) |
| Drogheda to Smyrna (Georgia) | 3,913.19 mi (6,297.66 km) |
| Drogheda to Smyrna (Tennessee) | 3,888.32 mi (6,257.65 km) |
| Drogheda to Snellville (Georgia) | 3,893.11 mi (6,265.36 km) |
| Drogheda to Snoqualmie (Washington) | 4,491.02 mi (7,227.61 km) |
| Drogheda to Snyder (Texas) | 4,606.32 mi (7,413.16 km) |
| Drogheda to Socastee (South Carolina) | 3,701.06 mi (5,956.28 km) |
| Drogheda to Socorro (Texas) | 4,861.26 mi (7,823.44 km) |
| Drogheda to Soddy-Daisy (Tennessee) | 3,870.17 mi (6,228.44 km) |
| Drogheda to Solana Beach (California) | 5,169.58 mi (8,319.64 km) |
| Drogheda to Soledad (California) | 5,104.36 mi (8,214.67 km) |
| Drogheda to Solon (Ohio) | 3,431.84 mi (5,523.02 km) |
| Drogheda to Somers Point (New Jersey) | 3,256.19 mi (5,240.34 km) |
| Drogheda to Somerset (Kentucky) | 3,758.67 mi (6,048.99 km) |
| Drogheda to Somerset (New Jersey) | 3,197.98 mi (5,146.65 km) |
