Back in the day we all had to deal with the 750' limit. We all knew we could push it further, but if we wanted to "know" it was good we made sure it was close to max for runs. I special ordered 95% Cu RG-6 and was able to run 1000' and for black and white cameras there are some I nstalled at nearly 1500' on that coax.
Then along came twisted pair and amplified twisted pair baluns that cdould push composite video a couple miles. With RF links (some) you could push composite video several miles.
Now we have to take a step back. 318' limit (100 meters) with IP cameras. We can stretch that a little, but that's the magic number for ethernet. Its not the signals won't travel further. Its that the timing is all off if you stretch it to far. Multi Megapixel IP cameras are the bees knees. The cats meow. Bob's pre marriage dating history. Whatever. LOL. How are you dealing with those long runs? Its not always practical throw POE switches up all over the place as repeaters either. I work on facilities routinely with runs of 500-700 feet, and one old install I did ages ago with oversize coax had a couple runs approaching 1500'.
What is the answer. I push POE IP cameras often now because of the price to features ratio and the ease of installation (nearly PnP), but how are you dealing with distance issues?