The final mile of a journey, race, or route; the concluding portion of a trip or course.
2.
Globalneutralinformal
The final stage of an activity or process, often implying heightened difficulty, urgency, or significance as completion nears.
3.
Globaltechnicalneutral
In logistics, telecommunications, and networking, the final leg of a delivery or distribution chain that connects a service, network, or product to the end user or customer.