Siwan to Phnom Penh Distance & How to Reach

Q: What is the distance from Siwan to Phnom Penh?

The aerial distance from Siwan to Phnom Penh is approximately 2,702 km (1,679 miles). By road, the distance is approximately 3,513 km.

Q: What is the best way to travel from Siwan to Phnom Penh?

Train is the most comfortable option at approximately 54 hrs 3 min. Buses take about 70 hrs 16 min and are the most affordable.

Bihar to Cambodia · 2,702 km · Compare travel & driving options

Siwan to Phnom Penh distance: 2702 km (aerial), approximately 3513 km by road. By train: ~54 hrs 3 min. By road: ~58 hrs 33 min.

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Siwan

Bihar

Phnom Penh

Cambodia

2,702 km

aerial distance (straight line)

1,679 miles

How to get from Siwan to Phnom Penh

✈

By Flight

4 hrs 21 min

Fly from Patna (PAT), nearest to Siwan

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Quick facts

Aerial distance

2,702 km (1,679 mi)

Road distance

~3,513 km

Recommended

Travel ()

Most affordable

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📍 Siwan to Phnom Penh distance overview

The straight-line distance from Siwan to Phnom Penh is approximately 2,702 km (1,679 miles). By road, the distance increases to about 3,513 km due to terrain, highways, and road networks connecting Bihar to Cambodia.

2,702 kmAerial distance

~3,513 kmBy road

Travel

💡 Travel tips for Siwan to Phnom Penh

📅

Book early
International fares typically rise as departure approaches. Booking 3-6 weeks ahead tends to give the best prices, with last-minute fares often double or more.

🛡️

Valid passport
A passport valid for at least 6 months beyond your travel date is required. Check visa requirements for Cambodia before booking.

⏰️

Arrive 3 hours early
For international departures, arrive at the airport at least 3 hours before your scheduled flight to allow time for check-in, immigration and security.

📱

Compare airlines
Fares on the same route can vary 50-100% between airlines. Always compare options before booking — direct flights aren't always more expensive than connecting ones.

Where to stay in Phnom Penh

Budget to luxury hotels. Compare prices on FareEagle.

View Phnom Penh Hotels

🔗 Useful travel resources

For official travel information, regulations, and booking services:

DGCA — Indian aviation authority

Passport Seva — Passport and travel documents

Frequently asked questions

What is the distance from Siwan to Phnom Penh? ▼

The aerial (straight-line) distance from Siwan to Phnom Penh is approximately 2,702 km (1,679 miles).

What is the best way to travel from Siwan to Phnom Penh? ▼

The most comfortable option is by train, taking approximately 54 hrs 3 min.

Can I book Siwan to Phnom Penh travel on FareEagle? ▼

Yes! FareEagle lets you compare and book and hotels for the Siwan to Phnom Penh route. Compare prices across operators, get instant confirmation, and enjoy transparent pricing with no hidden charges.

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