In all_routes.shp:

length_m:

$length * 100 * 1000


length_km:

$length * 100


Then generate distances:


Name:

if (
	"distance" > 0,
	if (
		"distance" = round( "distance", 2 ),
		"distance" * 100,
		'Finish'
	),
	'Start'
)