I've got miles to run
A soft way of saying that you are busy and have loads of more important things to do
X:Hey want to come over and decorate the Christmas tree?
Y: Sorry no time for that, I've got miles to run
X: Hey let me call you back later, just got home ....
Y: Don't stress, I know you've got miles to run
Y: Sorry no time for that, I've got miles to run
X: Hey let me call you back later, just got home ....
Y: Don't stress, I know you've got miles to run