1. Obraje Nuevo (13.95N, 89.31W) La Libertad, Populated Place 2. Obrajito (14.12N, 89.3W) Chalatenango, Populated Place 3. Obrajuello Lempa (13.58N, 88.67W) San Vicente, Populated Place 4. Obrajuelo (13.32N, 88.4W) Usulutan, Populated Place 5. Obrajuelo (14.13N, 89.22W) Chalatenango, Populated Place 6. Obrajuelo (13.32N, 88.38W) Usulutan, Populated Place 7. Oceano Pacifico (13.67N, 89.99W) , Ocean 8. Ochupse Abajo (13.92N, 89.59W) Santa Ana, Populated Place 9. Ochupse Arriba (13.9N, 89.58W) Santa Ana, Populated Place 10. Ocotal (14.2N, 88.98W) Chalatenango, Populated Place 11. Ocote (13.83N, 87.78W) La Union, Populated Place 12. Ocote Seco (13.87N, 88.05W) Morazan, Populated Place 13. Ocotillo (13.75N, 88.07W) Morazan, Populated Place 14. Ocotillo (13.82N, 87.87W) La Union, Populated Place 15. Ojeo (13.77N, 88.48W) San Miguel, Populated Place 16. Ojo de Agua (13.35N, 88.47W) Usulutan, Populated Place 17. Ojo de Agua (13.47N, 88.35W) San Miguel, Populated Place 18. Ojo de Agua (13.75N, 88.93W) Cuscatlan, Populated Place 19. Ojo de Agua (13.85N, 88.18W) Morazan, Populated Place 20. Ojo de Agua (13.9N, 89.7W) Santa Ana, Populated Place 21. Ojo de Agua (14.15N, 89.53W) Santa Ana, Populated Place 22. Ojo de Agua (14.15N, 89.63W) Santa Ana, Populated Place 23. Ojo de Agua (13.45N, 88.18W) San Miguel, Populated Place 24. Ojo de Agua (13.87N, 89.72W) Sonsonate, Populated Place 25. Ojo de Agua (14.13N, 88.87W) Chalatenango, Populated Place 26. Ojo de Agua (13.6N, 89.24W) La Libertad, Populated Place 27. Ojo de Agua Arriba (13.23N, 88.2W) Usulutan, Populated Place 28. Ojo de Agua de Leon (13.22N, 88.19W) Usulutan, Populated Place 29. Ojo de Agua Escondido (14.13N, 89.07W) Chalatenango, Populated Place 30. Ojos de Agua (14.13N, 88.87W) Chalatenango, Populated Place 31. Ojos de Agua (14.13N, 89.07W) Chalatenango, Populated Place 32. Ojos de Agua (14.22N, 89.22W) Chalatenango, Populated Place 33. Ojos de Agua (13.6N, 89.24W) La Libertad, Populated Place 34. Ojos de Agua (13.85N, 88.18W) Morazan, Populated Place 35. Ojushte (13.62N, 88.48W) Usulutan, Populated Place 36. Ojushte (13.4N, 87.98W) La Union, Populated Place 37. Ojushtillo (13.4N, 87.98W) La Union, Populated Place 38. Olocuilta (13.57N, 89.12W) La Paz, Populated Place 39. Olomega (13.31N, 88.03W) La Union, Populated Place 40. Olomeguita (13.3N, 88.05W) San Miguel, Populated Place | 41. Olosingo (14.07N, 88.95W) Chalatenango, Populated Place 42. Omoa (14N, 89.63W) Santa Ana, Populated Place 43. Opico (13.87N, 89.36W) La Libertad, Triangulation Station 44. Opico (13.87N, 89.4W) La Libertad, Second-order Administrative Division 45. Opico (13.88N, 89.36W) La Libertad, Populated Place 46. Oratorio (13.83N, 88.88W) Cabanas, Populated Place 47. Oratorio de Concepcion (13.82N, 89.06W) Cuscatlan, Populated Place 48. Oratorio de La Inmaculada Concepcion (13.82N, 89.06W) Cuscatlan, Populated Place 49. Oromontique (13.48N, 88.38W) San Miguel, Populated Place 50. Osicala (13.8N, 88.15W) Morazan, Populated Place 51. Ostua (14.33N, 89.55W) Santa Ana, Populated Place 52. Ostua (14.33N, 89.55W) Santa Ana, Railroad Station 53. Ostucal (13.8N, 88.33W) San Miguel, Populated Place 54. Ozatlan (13.38N, 88.5W) Usulutan, Populated Place |