If the DW is in the island you need at least 48” so you can open and load the DW

i think 48" is the upper limit for a non-traffic path. otherwise you are adding another step for every transit between perimeter and island.

our vacation home has 54" (footprint not designed by me) and its too far apart. even with oven door and dw door open (opposite sides but not aligned) i feel you could have a cheerleading squad run through and not break formation.

About 4 feet is the suggested distance between counters in a kitchen, so that while prepping you can easily turn around and use the other surface. If there is a circulation path, like some kitchens have connections to the garage, this should be increased to about 5 feet.

Best of Luck,

Melissa, Interior Designer at The Architects