kilometre - mile, litre - ?

GALLON
List of words for the clue kilometre - mile, litre - ? from the crossword:
ACRE INCH POUND KILOGRAM CENTEMETRE PETROL UNIT MARATHON KM KLICK KILOMETER HECTARE YARD RETAIL METRE MAGNUM LITER L MI
WordClue
ACREkilometre - mile, hectare - ?
INCHkilometre - mile, centemetre - ?
MILElitre - gallon, kilometre - ?
UNITinch or mile
YARDlitre - gallon, metre - ?
LITREmile - kilometre, gallon - ?
METREgallon - litre, yard - ?
POUNDkilometre - mile, kilogram - ?
HECTAREmile - kilometre, acre - ?
KILOGRAMmile - kilometre, pound - ?
MARATHON42.195 kilometre road race
KILOMETREgallon - litre, mile - ?
CENTEMETREmile - kilometre, inch - ?
POUNDkilometre - mile, kilogram - ?
FILIBEGkilt