To find out how much less the land near the golf course costs compared to the land along the river, you can subtract the cost of the land near the golf course from the cost of the land along the river.
Here's the calculation:
\[ 6,493,717.00 - 5,776,657.00 = 717,060.00 \]
The land near the golf course costs $717,060.00 less than the land along the river.