远劳

(courteous expression) you have made a long and exhausting journey / you will be making a long trip (when asking a favor that involves going to a faraway place)

far / distant / remote / (intensifier in a comparison) by far / much (lower etc)

to distance oneself from (classical)

to toil / labor / laborer / to put sb to trouble (of doing sth) / meritorious deed / to console (Taiwan pr. [lao4] for this sense)