1. Pierre, South Dakota

2. Portland (Oregon and Maine)

3. Kentucky (KY)

4. Monaco (highest 43,830 people per square mile) and
      Mongolia (4 people per square mile) - 2009

5. Atlanta and Augusta, Baton Rouge and Boise, Pierre and Providence

6. All are deserts - specifically, the four major deserts of North America

7. Guatemala, Kuwait, Mexico, and Panama.
      Another possible answer is Luxembourg, although Luxembourg City is often just
      called Luxembourg.

8. Indiana (all the names are cities in that state)

9.
      A. IN (Indiana) appears 11 times, in Illinois, Indiana, Maine, Minnesota, North
          Carolina, South Carolina, Virginia, Washington, and Wyoming.
      B. Kansas and Texas
      C. California contains CA, AL, OR, and IA.
          Florida contains FL, OR, RI, and IA.
          South Carolina contains UT, CA, AR, and IN.

10. Connect / i / cut

11. Florida and Georgia and
      Illinois and Indiana

12. Miami and Toronto

13. Cleveland

14. If "one s" is removed from Indonesia, the remaining letters spell India.

15. SAVANNAH
      ANA, VANNA, ANN, ANNA from left to right
      HANNA, ANN, ANNA, AVA from right to left

16. South Carolina (OHIO and UTAH)

17. Florida (345'), Delaware (448'), Louisiana (535'), Mississippi (806'), and
      Rhode Island (812')

18. Colorado (3350'), Wyoming (3099'), New Mexico (2842'), Utah (2000'), and
      Montana (1800').

19. Rhode Island (Not an island)

20. Austin and Boston

21. KentucKY and ConneCTicut

22. Augusta, Juneau

23. The vowel is A, the consonant is N, and the three states are Mississippi,
      Missouri, and Ohio.

24. Jacksonville, Florida is the largest with 827 square miles, an area twice
      the size of Los Angeles' 458.2 square miles.

25. Colorado, Utah, and Wyoming

26. Hawaii

27. Arkansas and Afghanistan.
        Margo Huffman from Corvallis, Oregon sent in a correction:
        Azerbaijan is also a country beginning with A and not ending in a.

28. Rome, Manila, Athens, Seoul, Lima, Teheran

29. Canada, Panama, Havana

30. I had just hiked from Nepal into India.

The border between India and Nepal is the only place on earth where
        two adjacent countries have time zones that are 15 minutes apart
        without being separated by water (and thus hikeable).

31. I am in far western Virginia.

        The far west portion of Virginia, such as Wheeler, is closer to the capitals of
        West Virginia, North Carolina, South Carolina, Georgia, Tennessee, Kentucky,
        Indiana, and Ohio than to Richmond.