How about Pacific Dunes #7 as a long(ish) par 4? Perhaps not as long as Ballyneal #2 or #17, but still a good, stout par 4.
As to the ultimate issue, how about I play PD and BN 20 times, each, and then I'll get back to you?
I find comparing the two very difficult. They have a similar look to them--they look like Tom Doak courses. After that, things diverge greatly. PD really has the feel of a GB&I links course, but situated on the beautiful Oregon coast. BN plays like a links, but it's dry and in Colorado. Although PD has some heroic holes, it's more intimate than the sprawling BN (compare the expansive view from PD #3 to the one from BN #4). You may say this stuff is neither here nor there, but I would counter that playing a golf course is more about the touch and feel of the place than the map of the holes.
When it comes to the holes, neither course has a weak one. I might like PD #1 and BN #9 the least, although they too have features to commend them. Ballyneal has wilder greens and choppier terrain (hey, it's the chop hills), but lacks an ocean. Personally, I like the vegetation and visual diversity (seaside vs inland) of PD. While each hole is unique at BN, there is a certain sameness to the look of the holes at Ballyneal, which is both awe-inspiring and somewhat less satisfying to me than PD.
Generally speaking, I think the best holes at PD are a little better than the best ones at BN, but BN probably has fewer marginally weaker holes. I rate PD #11 over any par 3 at BN (#5 is my favorite); PD #6 over BN #7; and PD #3 over BN #4 or #8 (not by wide margins, mind you). Because I look more to the whole than the sum of the parts, I like PD better, but could totally understand an argument that BN is the superior course. It's certainly more difficult. To think that some magazine rated BN as something like the 60th best course in the U.S. is just unfathomable. It's clearly much greater than that.