How long would it take to cycle sydney to London?

Cycling from Sydney to London is a daunting journey of approximately 17,000 kilometers (10,500 miles) depending on the route taken. If a cyclist averages about 100 kilometers (62 miles) per day, the trip could take around 170 days, not including rest days or delays due to weather or other factors. Realistically, with various challenges, it could take anywhere from six months to over a year to complete. Proper planning and preparation are essential for such an extensive journey.