I'm not really that much of a Solo SkyWars player, so you'll have to excuse me if I don't really get my facts right here, but the one time I played this map the distance looked fairly possible to do without needing a water landing in the first place. Yeah, you'll lose a fair amount of health, but it is possible to get to the other side alive. Though, you'll have to take in account the armor you have, or you'll just blow up at the start. The design I'll show is not very consistent, but hey... I mean TnT jumping has never really been the safest way of travelling anyway...
Example that it's possible: