Pattaya to Ayutthaya Road Trip: Route 33 Guide

Before the concrete sprawl of modern Thailand, the ancient capital of Ayutthaya was a flourishing island city, its rise funded by the Chao Phraya River's trade routes. The modern highway from Pattaya to Ayutthaya, predominantly Route 33, traverses a landscape that once served as a crucial overland link between the Gulf of Siam and the central plains.

The route covers about 130 kilometers (80 miles), bypassing the chaos of Bangkok via the Bang Na Expressway and the Bangkok Outer Ring Road, ensuring a journey that is both scenic and efficient. For most drivers, this trip takes around 2 hours and 30 minutes, making it an ideal day trip or a prelude to exploring Central Thailand.

This road trip is surprisingly affordable. Toll fees for a standard car total around 100 THB ($3) for the Bang Na Expressway and the elevated sections of Route 9. Gasoline costs approximately 700 THB ($20) for an average car, making the total journey expense under 1,000 THB.

• Highways: Take Route 7 from Pattaya to Chonburi, then Route 34 to Route 9, finally merging onto Route 33.
• Traffic: Expect heavy congestion in the first hour leaving Pattaya, especially on weekends.
• Surface: The roads are well-paved, but occasional potholes on shoulders are common.
• Signage: Thai road signs are usually accompanied by English on major highways, but keep a GPS handy for exits.
• Emergency: Dial 1197 for highway patrol or 911 for general emergencies.

The route transitions from the coastal plains of Chonburi, with their salt farms and fruit orchards, to the flat, lush rice paddies of Chachoengsao. Fittingly, one of the best stops Pattaya to Ayutthaya is the Bang Pakong River viewpoint, where you can watch long-tailed boats navigate the murky waters.

For a deeper dive into local commerce, visit the Sri Nakhon Khun Kan Park, a beautifully landscaped garden with a replica of a traditional Thai village. For more ideas on finding such off-the-beaten-path marvels, check out how to find the best stops and hidden gems between cities.

The climate is tropical, with temperatures averaging 30°C throughout the year, but the rainy season from June to October can lead to standing water, which reduces traction and visibility. The route aesthetics are simple: endless rice fields and distant smokestacks of industrial estates.

For families, the Khao Khiao Open Zoo often serves as a noteworthy pitstop, though it lies just north of the main route. Pet owners will be relieved to know that most rest stops are pet-friendly, and there are dedicated pet relief areas near the restrooms at the PTT station at Bang Phli.

Fatigue is a serious concern on this monotonous stretch; to counter it, plan to stop every hour. A hidden off-route spot is the Wat Sothon Wararam Worawihan in Chachoengsao, a revered temple with a 2-meter-high Buddha statue, easily accessible with a short detour of 10 kilometers. The food infrastructure along the route is excellent, with numerous roadside stalls serving local delicacies like khao lam (sticky rice in bamboo).

The ultimate question, is it worth driving Pattaya to Ayutthaya: absolutely, especially for the contrast between beach town and ancient capital. Among the things to do between Pattaya and Ayutthaya, you can visit the Khlong Suan Roi Ja farmland, which offers a glimpse into rural life. Relatedly, the ancient city of Ayutthaya is a UNESCO World Heritage Site, with the ruins of Wat Mahathat and Wat Phra Si Sanphet a must-see.