What is the greatest continental pole of inaccessibility?

The Seven Poles of Inaccessibility refer to the five largest land masses on Planet Earth (continental poles), plus the two frozen poles, Northern and Southern:
* North America
* South America
* Africa
* Eurasia
* Australia
* Northern (Arctic)
* Southern (Antarctic)

The Eurasian pole of inaccessibility (EPIA) is located in northwestern China, near the Kazakhstan border. It is also the furthest possible point on land from the ocean, given that Eurasia (or even merely Asia alone) is the largest continent on Earth.

Earlier calculations suggested that it is 2,645 km (1,644 mi) from the nearest coastline, located at 46°17 N 86°40 E, approximately 320 km (200 mi) north of the city of Ürümqi, in the Xinjiang Autonomous Region of China, in the Gurbantünggüt Desert.

However, the previous pole location disregards the Gulf of Ob as part of the oceans, and a 2007 study proposes two other locations as the ones farther from any ocean (within the uncertainty of coastline definition): EPIA1 and EPIA2 , located respectively at 2,510±10 km (1,560±6 mi) and 2,514±7 km (1,562±4 mi) from the oceans.