Wanderlust World Wanderlust World By Sailboat: The sailing time between Oahu and the Big Island depends on several factors, including wind conditions and the sailing route taken. The direct route from Oahu to Hilo, which is approximately 195 nautical miles (225 miles), can be completed in around 30 - 48 hours for an average sailboat. However, the journey may take longer depending on the boat's speed and if the journey includes any stops along the way.
Keep in mind that sailing from Oahu to the Big Island, or vice versa, can be a challenging and demanding journey. Navigating the open ocean requires proper preparation, planning, and safety precautions, and it's advisable to consider the weather and sea conditions, have experienced crew members, and adhere to safety protocols such as carrying safety gear and communication equipment.