gallon - litre, mile - ?

KILOMETRE
List of words for the clue gallon - litre, mile - ? from the crossword:
UNIT PETROL ACRE INCH YARD POUND METRE LITER KILOGRAM RETAIL MAGNUM L CENTEMETRE PINTS PINT PER QUART MI RATE
WordClue
ACRElitre - gallon, hectare - ?
INCHlitre - gallon, centemetre - ?
MILElitre - gallon, kilometre - ?
PUMPof petrol or heat
UNITinch or mile
YARDlitre - gallon, metre - ?
HERTZSI unit for frequency
LITREmile - kilometre, gallon - ?
METREgallon - litre, yard - ?
MONTHunit of time dividing the year
OUNCEunit of mass
PENNYunit of currency in various countries
POUNDlitre - gallon, kilogram - ?
QUARTunit of volume
ENGINEturbojet or petrol
GALLONkilometre - mile, litre - ?
HECTAREmile - kilometre, acre - ?
KILOGRAMgallon - litre, pound - ?
MARATHON42.195 kilometre road race
CENTEMETREgallon - litre, inch - ?
CENTEMETREgallon - litre, inch - ?
KILOGRAMgallon - litre, pound - ?