How to Get From Phnom Penh to Sihanoukville
Sihanoukville is Cambodia's beach gateway — the jumping-off point for Koh Rong, Koh Rong Sanloem, and other islands. At 230 km from Phnom Penh, you can get there by bus, flight, or private transfer. Here's the complete guide.
Our Recommendation
Fly if heading straight to the islands (saves a full day). Otherwise, the bus is comfortable and affordable. The new expressway has cut driving time significantly.
🚀 All Transport Options
✈️ Domestic Flight
Duration
40 minutes
Cost
$50–$90
Frequency
2–3 daily flights
Sihanoukville has its own international airport (KOS). Flights save significant time, especially if connecting to island ferries. Budget airlines keep prices reasonable.
Insider Tips
- •Airport is 20 km from town — taxi $10–12
- •Great option if catching same-day ferry to islands
- •Book early for prices under $60
- •Morning flights avoid afternoon turbulence
🚌 Express Bus
Duration
4–5 hours
Cost
$10–$15
Frequency
Multiple daily departures
Giant Ibis, Mekong Express, and Capitol operate this route. The new Phnom Penh–Sihanoukville Expressway (opened 2022) has dramatically improved the journey — smooth, modern highway the entire way.
Insider Tips
- •New expressway makes the ride very smooth
- •Giant Ibis has the best reputation
- •Arrive at Sihanoukville bus station, taxi to port for islands
- •Morning buses connect well with afternoon ferries
🚐 Private Taxi
Duration
3.5–4 hours
Cost
$60–$80
Frequency
On demand
The expressway makes this a fast, smooth ride. Private cars can drop you directly at the ferry port for island connections. Great value for groups.
Insider Tips
- •Ask for direct drop-off at Serendipity pier
- •Expressway toll is usually included in price
- •Great value for 3–4 travelers
- •Can stop at Kirirom National Park en route
📊 Quick Comparison
| Option | Duration | Cost | Comfort |
|---|---|---|---|
| ✈️ Domestic Flight | 40 minutes | $50–$90 | premium |
| 🚌 Express Bus | 4–5 hours | $10–$15 | comfortable |
| 🚐 Private Taxi | 3.5–4 hours | $60–$80 | comfortable |
❓ Frequently Asked Questions
How do I get to Koh Rong from Phnom Penh?
Take a bus or flight to Sihanoukville, then a speed ferry (45 min, $12–15) from Serendipity pier to Koh Rong. Morning buses connect with afternoon ferries.
Is the new expressway good?
Excellent! The Phnom Penh–Sihanoukville Expressway opened in 2022 and is a modern, smooth highway that cut travel time by 1–2 hours.
Is Sihanoukville worth visiting?
The town itself has changed significantly with Chinese development. Most travelers use it as a transit point to Koh Rong and Koh Rong Sanloem islands, which are stunning.
Can I go from Phnom Penh to Kampot and then Sihanoukville?
Yes! PP → Kampot (3 hrs) → Sihanoukville (2.5 hrs) is a popular coastal route. Spend 2–3 days in Kampot then continue south.
🔗 Related Routes
Get Cambodia Travel Updates
Visa changes, travel tips, and destination guides delivered to your inbox.
No spam, unsubscribe anytime. We respect your privacy.