From Wuhan to Nan 'ao Island, the linear distance between the two places is 841.8km. You can take the G 1 175 train at Wuhan Station, get off at Chaoshan Station, and then take a taxi, that is, you can take the G 1 175 train after getting off, and then take a taxi.
The specific bus route is as follows: from Wuhan to Nan 'ao Island, take the D3287 train at Wuhan Station, which takes 8 hours, get off at Chaoshan Station, and then take a taxi 1 hour at 34 minutes, via Shantou-Kunming Expressway and Laimei Road.