1.NounThe final stage of delivery of goods, etc., from a distribution centre to the consumer, often involving greater effort or expense. .mw-parser-output .defdate{font-size:smaller}
2.NounThe portion of the infrastructure that carries communication signals from the main system to the end user's business or home, often involving greater expense to install and maintain, and lower transmission speeds.
"The problem getting to all these remote customers is still the last mile, no matter how far they live from the switch."