Koh Kong town is accessible by land, sea and air. From Bangkok it is 450 Kilometres by road to Had Lek in KhlongYai district in Thailand and a short trip from there to the Cham Yeam international border crossing. From the border it is 10 kilometres to the town. Travelling from the capital Phnom Penh, it is 133 kilometres west alongNational Highway 4 to the town of SreAmbel. From SreAmbel a narrow road winds 138 kilometres through the lower Cardamom Mountains before reaching Koh Kong. The road crosses four large rivers where bridges have recently been built. In 2002, the Koh Kong bridge was completed linking the town of Koh Kong with the border crossing to Thailand. The bridge was completed at a cost of US 7.2 million dollars and is 1900 metres long, making it the longest bridge in Cambodia
