Below you can see the front view size comparison of Canon SX60 HS and Nikon P900. Canon SX60 HS is clearly the smaller of the two cameras. Its body is 12mm narrower, 10mm shorter and 23mm thinner than Nikon P900.
Canon SX60 HS vs Nikon P900 - Front View
Canon SX60 HS vs Nikon P900 - Top View
The chart below depicts how two cameras compare with average dimensions of the cameras in their class.
Camera Size Comparison
Select Two Cameras for Size Comparison