There are a many of bus companies providing transportation between Phnom Penh and the provinces that have better road and connect with Phnom Penh. All buses are air-conditioned and equipped with Video TV, Wi-Fi. The average travel speed of the buses is about 80 kilometers per hour. Bus stations are mostly located around Phsa Thmey (New Central market) area and Riverside.

The cheapest option to travel in Cambodia is to travel using the bus. The buses in Cambodia has 2 types, called local/city buses, which often make trips between short distances and vip buses, which often make long journeys. The latter tend to be comfortable and best of all is that you get the option to travel at night, which are called the sleep/night bus. There are many bus companies are offering this night bus.

Cambodia is served by an increasing number of flights from neighboring countries. Currently Cambodia has three airports receiving international flights; the Phnom Penh International Airport, the Siem Reap International Airport and the Sihanoukville International Airport. These airports receive direct flights from more than a dozen, mostly east Asian cities. Cambodia Visas are available on-arrival at Phnom Penh and Siem Reap airports only for most nationalities ($30 for a tourist visa, $35 for business visa.) The Phnom Penh International Airport is about 10 kilometers or 35-45 minutes from down town. The Siem Reap International Airport is only 5 kilometers or 15 minutes to town center. The Sihanoukville International Airport is only 20 kilometers or 30 minutes to city center. There are always taxis, tuk-tuks and motodups awaiting and available for arriving passengers. There are only three cities in the Kingdom of Cambodia have domestic air services: Phnom Penh city, Siem Reap city and Sihanoukville.