The Earth and our Moon as seen from the highest distance reached by the Orion spacecraft. This is Orions farthest distance from Earth during the Artemis I mission, approximately 431,000 kilometers from our world π . This is what the view is like! Credit: NASA
Enough, though? Liquid oxygen is used only in the first stage of lift-off, after all. π Human beings will be breathing the rest, turning it into carbon dioxide so the oxygen wouldn't be in proper form for combustion; it would extinguish it.
Not the nicest place for people really, but if all you want to do is resource extraction, robots are a better bet anyway. I wouldn't be first in line to lead an expedition to Titan.