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1. Cambodia
Cambodia: 181,035 sq km, Oklahoma: 181,037 sq km
2. North Korea
North Korea: 120,540 sq km, Pennsylvania: 119,280 sq km
3. Greece
Greece: 131,957 sq km, Louisiana: 135,659 sq km
4. Japan
Japan: 377,915 sq km, Montana: 380,831 sq km
5. Portugal
Portugal: 92,226 sq km, Maine: 91,633 sq km
6. Ecuador
Ecuador: 276,841 sq km, Nevada: 286,380 sq km
7. Iceland
Iceland: 103,000 sq km, Kentucky: 104,656 sq km
8. Poland
Poland: 312,685 sq km, New Mexico: 314,917 sq km
9. Libya
Libya: 1,759,540 sq km, Alaska: 1,723,337 sq km
10. New Zealand
New Zealand: 270,467 sq km, Colorado: 269,601 sq km
11. Italy
Italy: 301,339 sq km, Arizona: 295,234 sq km
12. Myanmar
Myanmar: 676,578 sq km, Texas: 695,662 sq km
13. Hungary
Hungary: 93,028 sq km, Indiana: 94,326 sq km
14. Tajikistan
Tajikistan: 143,100 sq km, New York: 141,297 sq km
15. Iraq
Iraq: 438,317 sq km, California: 423,967 sq km
16. Nepal
Nepal: 147,516 sq km, Iowa: 145,746 sq km
17. Guyana
Guyana: 214,969 sq km, Idaho: 216,443 sq km
18. Guatemala
Guatemala: 108,889 sq km, Tennessee: 109,153 sq km
19. Slovakia
Slovakia: 49,037 sq km, New Hampshire + Vermont: 49,120 sq km
20. Argentina
Argentina: 2,780,400 sq km, Alaska + Texas + California: 2,842,966 sq km