Has an AFL game ever ended 110-110?
Exactly once. On April 15, 1978, Richmond and St Kilda drew 110-110, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 110-110 in league history.
That makes 110-110 the 3884th most common final score out of 6,649 that have ever occurred in AFL. One point away, 111-110 has happened 6 times and 110-111 has happened never.