{HEAD ~ This distance} could be in {TAIL ~ terms} of actual road distance in kilometers or meters  
in
{ HEAD ~ This distance } could be in { TAIL ~ terms } of actual road distance in kilometers or meters
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH