Mostly I do opposite the valve as it's easier to stop the things rotating and having a wonky valve, if it's an awkward, tight one then finishing at the valve gives you a little more room opposite to get the tyre beads in the well of the rim as much as possible, so more slack to finish with.
Mostly I do opposite the valve as it's easier to stop the things rotating and having a wonky valve, if it's an awkward, tight one then finishing at the valve gives you a little more room opposite to get the tyre beads in the well of the rim as much as possible, so more slack to finish with.