Okayama and Prachuap Khiri Khan are almost exactly the same size
Okayama (prefecture of Japan) covers about 6,930 km² (2,680 mi²) and Prachuap Khiri Khan (province of Thailand) about 6,930 km² (2,680 mi²). Their outlines are laid over each other below at one scale.
- 6,930km²Okayama
- 6,930km²Prachuap Khiri Khan
20 km
- Okayama
- Prachuap Khiri Khan
What fits
- Prachuap Khiri Khan is 100% of the size of Okayama.
- The measured areas differ by 6.1 km², less than half a percent: closer than the measurement itself is certain.
- Measured in Belgiums: Okayama is about 0.23, Prachuap Khiri Khan about 0.23.
How they differ
- Okayama also has the larger population: 1.9 million against 551,000, 3.41× as many people.
- Per square kilometre that is 271 in Okayama against 79 in Prachuap Khiri Khan: Okayama is 3.41× as densely populated.
- Their centres are about 4,290 km apart.
- A standard web map misstates the comparison: Okayama at 35°N is drawn about 1.5× too large and Prachuap Khiri Khan at 12°N about 1.0×, so the map shows Okayama as 1.42× the size of Prachuap Khiri Khan instead of 1.00×.
- Together Okayama and Prachuap Khiri Khan cover 13,900 km², close to the size of Montenegro (13,700 km², 1.0% smaller).
- At Prachuap Khiri Khan's density, Okayama would have 551,000 people (it has 1.9 million). At Okayama's density, Prachuap Khiri Khan would have 1.9 million (it has 551,000).
- Okayama's centre is 23.0° of latitude, about 2,550 km, farther north than Prachuap Khiri Khan's.
- Okayama is the 18th largest of the 47 prefectures of Japan and covers 1.9% of its area; it is the 24th most densely populated of them.
- Prachuap Khiri Khan is the 29th largest of the 77 provinces of Thailand and covers 1.3% of its area; it is the 60th most densely populated of them.
- Okayama lies about 23° of latitude (roughly 2,550 km) north of Prachuap Khiri Khan.
- Shared out evenly, each person in Okayama would have about 3,690 m² and each person in Prachuap Khiri Khan about 12,580 m².
- Laid side by side, Okayama and Prachuap Khiri Khan would cover 13,900 km², about the same size as Montenegro.
- Together they have 2.4 million people, about as many people as Moldova.
Side by side
| Okayama | Prachuap Khiri Khan | |
|---|---|---|
| Is a | PrefectureJapan | ProvinceThailand |
| Area, measured | 6,930 km²2,680 mi² | 6,930 km²2,680 mi² |
| Official area | 7,110 km²Wikidata | 6,370 km²Wikidata |
| Rank by area | 18th of 47in Japan | 29th of 77in Thailand |
| Population | 1.9 millionWikidata, 2021 | 551,000Wikidata, 2020 |
| Rank by population | 20th of 47in Japan | 46th of 77in Thailand |
| Density | 271 per km² | 79 per km² |
| Capital | Okayama | Prachuap Khiri Khan |
| Latitude range | 34°N to 35°N | 11°N to 13°N |
Population: Wikidata 2021 and Wikidata 2020. Official figures: Wikidata (CC0).
- Our measured 6,930 km² is 2.5% below Wikidata's official figure of 7,110 km². Official figures can include inland water or count land that an outline draws differently.
- Our measured 6,930 km² is 8.8% above Wikidata's official figure of 6,370 km². Official figures can include inland water or count land that an outline draws differently. This difference is flagged for review.
Similar in size to Okayama
Similar in size to Prachuap Khiri Khan
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Sources and method
- Outlines
- Natural Earth, 1:10m Admin 1 - States, Provinces, public domain
- Boundary
- De facto, as drawn by Natural Earth. A region is drawn whole, every island included; a country is its main territory.
- Area
- Measured on the WGS84 ellipsoid from the full-detail outlines, shown rounded.
- Drawing
- Each outline is projected with an equal-area projection centred on its own centroid, so areas stay true and the two can be laid over each other.
- Data built
- 2026-11-12