China

Nanning

Vietnam

Zhanjiang

Hanoi

Gulf of

Tonkin

Haikou

Hainan

South China

Sea

100 km

100 miles

China

Nanning

Vietnam

Zhanjiang

Hanoi

Gulf of

Tonkin

Haikou

Hainan

South China

Sea

200 km

200 miles

China

Nanning

Shenzhen

Macao

Hong Kong

Vietnam

Zhanjiang

Hanoi

Haikou

Gulf of Tonkin

Hainan

South China Sea

200 km

200 miles

China

Nanning

Shenzhen

Macao

Hong Kong

Vietnam

Zhanjiang

Hanoi

Haikou

Gulf of Tonkin

Hainan

South China Sea

Laos

200 km

200 miles