World No-Flight Regions — top 50 contiguous land zones

Last 30 days of OpenSky Network ADS-B data, 1° (~111 km) grid, 8-connectivity. Tiny components (<5 cells) excluded.

#	Region	Cells	km²	Centroid	BBox
1	Balkh Province, Afghanistan	8,295	93,726,011	37.00,66.64	[-35.0,-17.0]→[82.0,180.0]
2	(ocean/Antarctic)	4,438	15,072,015	-77.38,26.52	[-85.0,-180.0]→[-63.0,180.0]
3	Nunavut, Canada	2,483	12,929,178	67.75,-84.06	[46.0,-167.0]→[84.0,-12.0]
4	Santa Cruz, Bolivia	1,425	16,498,582	-14.62,-62.24	[-56.0,-88.0]→[16.0,-35.0]
5	Australia	586	6,646,142	-23.72,133.05	[-35.0,113.0]→[-11.0,152.0]
6	Western, Papua New Guinea	90	1,103,784	-5.23,141.34	[-11.0,130.0]→[0.0,153.0]
7	Zacatecas, Mexico	71	805,249	23.42,-103.87	[15.0,-110.0]→[31.0,-96.0]
8	Central Kalimantan, Indonesia	63	775,957	0.42,114.25	[-4.0,109.0]→[7.0,119.0]
9	Vakinankaratra, Madagascar	62	722,283	-19.32,46.81	[-26.0,43.0]→[-12.0,51.0]
10	Navarre, Spain	45	412,032	42.10,-1.66	[36.0,-9.0]→[48.0,6.0]
11	Montana, United States	39	333,796	46.29,-108.09	[43.0,-115.0]→[49.0,-102.0]
12	Norway	39	95,800	79.06,18.55	[76.0,11.0]→[81.0,27.0]
13	Arkhangelsk Oblast, Russia	38	132,975	74.08,58.50	[70.0,51.0]→[77.0,69.0]
14	Chukotka Autonomous Okrug, Russia	29	142,476	66.43,-175.88	[64.0,-180.0]→[69.0,-170.0]
15	Central Sulawesi, Indonesia	26	320,150	-2.27,121.35	[-6.0,119.0]→[2.0,125.0]
16	(ocean/Antarctic)	25	58,773	-79.58,-47.78	[-81.0,-54.0]→[-77.0,-43.0]
17	Bohol, Philippines	24	290,752	9.58,124.38	[6.0,122.0]→[15.0,127.0]
18	Iceland	22	114,555	65.18,-18.45	[63.0,-24.0]→[67.0,-14.0]
19	Tabasco, Mexico	19	223,869	17.29,-91.13	[14.0,-94.0]→[20.0,-88.0]
20	Scotland, United Kingdom	16	111,659	56.12,-6.19	[52.0,-10.0]→[59.0,-2.0]
21	West Nusa Tenggara, Indonesia	15	182,784	-8.50,116.70	[-10.0,111.0]→[-7.0,123.0]
22	Aceh, Indonesia	14	172,388	2.36,98.07	[-2.0,95.0]→[6.0,102.0]
23	Thailand	13	158,201	8.12,99.88	[5.0,98.0]→[13.0,103.0]
24	Baja California Sur, Mexico	12	132,317	26.58,-112.67	[23.0,-116.0]→[30.0,-109.0]
25	Camagüey, Cuba	10	114,636	21.30,-77.40	[20.0,-80.0]→[23.0,-74.0]
26	British Columbia, Canada	10	74,149	53.20,-120.10	[51.0,-123.0]→[55.0,-118.0]
27	Arkhangelsk Oblast, Russia	10	19,274	80.70,58.00	[80.0,54.0]→[82.0,62.0]
28	Tasmania, Australia	8	72,671	-42.12,146.75	[-44.0,145.0]→[-41.0,149.0]
29	Nevada, United States	8	73,823	41.25,-117.88	[39.0,-120.0]→[44.0,-116.0]
30	(ocean/Antarctic)	6	14,105	-79.33,-161.67	[-80.0,-164.0]→[-78.0,-159.0]
31	East Nusa Tenggara, Indonesia	6	72,912	-9.17,125.00	[-11.0,123.0]→[-8.0,127.0]
32	Hokkaido Region, Japan	6	53,624	43.83,142.67	[42.0,141.0]→[45.0,144.0]
33	Alaska, United States	6	42,402	55.17,-162.00	[54.0,-165.0]→[56.0,-159.0]
34	Sakha Republic, Russia	6	19,133	75.17,148.33	[74.0,146.0]→[76.0,150.0]
35	South Sumatra, Indonesia	5	61,415	-4.30,103.70	[-6.0,102.0]→[-3.0,105.0]
36	North Maluku, Indonesia	5	61,602	0.70,127.90	[-1.0,127.0]→[2.0,129.0]
37	Abruzzo, Italy	5	45,419	42.50,13.50	[41.0,11.0]→[44.0,16.0]
38	Arkhangelsk Oblast, Russia	5	10,167	80.50,48.50	[80.0,46.0]→[81.0,51.0]