light year
long as one's arm
age
grip
donkey's
ages
blue moon
far
forever
coon's age
crow's age
years
mecocephalic
country mile
superlong
long
ultralong
dog's age
inveterately
at length
deep
eternity
donkey's years
donkey's ears
macro-
dolicho-
longways
abiding
imperishable
enduring
hyperextended
macrobiotic
until the cows come home
until the cows freeze over
long-termly
geographically challenged
with ages
long-span
lengthily
long haul
eon
overlong
hot minute
lifetime
prolongedly
sesquipedalian
perdurable
aeon
indestructible
undestroyable
durable
sesquipedalianism
long-pending
macrobiosis
anciently
durative
voyage
time out of mind
extralong
longwhiles
the length of the Flemington straight
lengthsome
forever and a day
dragging
longwise
longsomely
overrun
longirostrate
longue durée
howsofar
indefinitely
all the way to Egery and back
month of Sundays
overfar
scenic route
stretch
period
Rome wasn't burned in a day
overstride
outreach
eternal
endless
interminable
longish
lengthen
long ass
long-distance
till doomsday
stride
eudemic
go all around the Wrekin
final curtain
street