Yes, you can drive the entire length of New Zealand from Cape Reinga in the North to Bluff in the South, but it is a massive undertaking that requires crossing the Cook Strait via ferry. The total driving distance is approximately 2,100 kilometers (1,300 miles). In 2026, a non-stop drive (excluding the ferry) would take roughly 28 to 30 hours of actual road time. However, most travelers take 10 to 14 days to complete this journey to account for the winding, often single-lane roads and the necessary 3.5-hour ferry crossing between Wellington and Picton. In 2026, the road network remains well-maintained, but travelers must be aware of "slow vehicle" bays and seasonal weather conditions, especially in the South Island's mountain passes. It is impossible to do the drive in a single day; the North Island alone takes about 12–14 hours from top to bottom, and the South Island requires another 14–16 hours. Most rental car companies in 2026 allow for "inter-island" rentals where you either take the car on the ferry or swap vehicles at the ferry terminals.