Find Closest Tool - Line Distance in metres

Question

I am using the new ArcGIS Online map viewer and I am using the Find Closest tool to calculate the closest distance between nearest features from two layers.

In the tool, I set the Measurement Type to Line Distance. The resulting field in the Connecting Lines layer is called Straight Line Distance (Kilometres) with the distance to 2 decimal places. There doesn't seem to be a way to calculate this in metres. My features are always less than 1 km apart so the 2 decimal precision of the km distance is not adequate. The Classic map viewer produced this in metres. I have tried changing the projection but this had no effect.

If anyone has any suggestions it would be appreciated.

KPD · Answer

My workaround was to use Calculate Field to set the length using the Arcade expression:
LengthGeodetic($feature, 'metres')
although I can't rename the filed to remove the word Kilometres. I realise I can probably rename or create a new field using the Content page but is so many extra steps just to change the units.