More casual/informal:
* A bit more: "Can you walk a bit more?"
* Just a little more: "Let's go just a little more down the street."
* A tad further: "Let's go a tad further to that new store."
* A couple more blocks: "We're just a couple more blocks from the party."
* Just a little ways: "Can you drive just a little ways?"
* Down the road a bit: "Let's meet down the road a bit."
More slangy:
* A little ways down the line: "We're a little ways down the line from the party."
* A lil' further: "I gotta walk a lil' further."
* A smidge further: "Let's go a smidge further."
It's important to note that:
* The specific phrase used will depend on the region and the speakers.
* Some slang terms might be considered offensive or disrespectful depending on the context.
You can also use a more direct phrase like "further" or "a bit further" in most cases.