Schleswig-Holstein is 1.42× the size of Udon Thani

Schleswig-Holstein (state of Germany) covers about 15,400 km² (5,960 mi²) and Udon Thani (province of Thailand) about 10,900 km² (4,200 mi²). Below, both outlines are drawn at one scale and centred on each other.

15,400km²Schleswig-Holstein
10,900km²Udon Thani

50 km

Schleswig-Holstein
Udon Thani

What fits

Udon Thani is 70% of the size of Schleswig-Holstein.
Schleswig-Holstein is larger by 4,570 km² (1,760 mi²), which is 42% of the area of Udon Thani.
Measured in Belgiums: Schleswig-Holstein is about 0.50, Udon Thani about 0.35.

How they differ

Schleswig-Holstein also has the larger population: 3.0 million against 1.6 million, 1.88× as many people.
Per square kilometre that is 191 in Schleswig-Holstein against 144 in Udon Thani: Schleswig-Holstein is 1.33× as densely populated.
Their centres are about 8,640 km apart.
A standard web map misstates the comparison: Schleswig-Holstein at 54°N is drawn about 2.9× too large and Udon Thani at 17°N about 1.1×, so the map shows Schleswig-Holstein as 3.78× the size of Udon Thani instead of 1.42×.
Together Schleswig-Holstein and Udon Thani cover 26,300 km², close to the size of Equatorial Guinea (26,700 km², 1.4% bigger).
The gap between them, 4,570 km², is about the size of Trinidad and Tobago (5,120 km²).
At Udon Thani's density, Schleswig-Holstein would have 2.2 million people (it has 3.0 million). At Schleswig-Holstein's density, Udon Thani would have 2.1 million (it has 1.6 million).
Schleswig-Holstein's centre is 36.8° of latitude, about 4,090 km, farther north than Udon Thani's.
Schleswig-Holstein is the 12th largest of the 16 states of Germany and covers 4.3% of its area; it is the 10th most densely populated of them.
Udon Thani is the 13th largest of the 77 provinces of Thailand and covers 2.1% of its area; it is the 29th most densely populated of them.
Schleswig-Holstein lies about 37° of latitude (roughly 4,090 km) north of Udon Thani.
Shared out evenly, each person in Schleswig-Holstein would have about 5,230 m² and each person in Udon Thani about 6,930 m².
Laid side by side, Schleswig-Holstein and Udon Thani would cover 26,300 km², about the same size as Equatorial Guinea.
Together they have 4.5 million people, about as many people as Panama.

Side by side

	Schleswig-Holstein	Udon Thani
Is a	StateGermany	ProvinceThailand
Area, measured	15,400 km²5,960 mi²	10,900 km²4,200 mi²
Official area	15,800 km²Wikidata	11,700 km²Wikidata
Rank by area	12th of 16in Germany	13th of 77in Thailand
Population	3.0 millionWikidata, 2022	1.6 millionWikidata, 2020
Rank by population	9th of 16in Germany	7th of 77in Thailand
Density	191 per km²	144 per km²
Capital	Kiel	Udon Thani
Latitude range	53°N to 55°N	17°N to 18°N

Population: Wikidata 2022 and Wikidata 2020. Official figures: Wikidata (CC0).

Our measured 15,400 km² is 2.3% below Wikidata's official figure of 15,800 km². Official figures can include inland water or count land that an outline draws differently.
Our measured 10,900 km² is 7.3% below Wikidata's official figure of 11,700 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 Schleswig-Holstein

Similar in size to Udon Thani

More comparisons

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

Full method