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1. Florida to California
FL North = 31.0010 / CA South = ~32.534
2. Massachusetts to Oregon
MA North = 42.88677 / OR South = 42 Parallel
3. Washington to New Hampshire
WA South = 45.55 / NH North = 45.305757
4. Oklahoma to Kentucky
OK North = 37 Parallel / KY South = 36.4972
5. Rhode Island to New Jersey
RI South ~41.1469 / NJ North = 41.36
6. Connecticut to Minnesota
CT North = 42.0506 / MN South = ~43.5
7. Michigan to Washington
MI North = 48.18 / WA South = 45.55
8. Nevada to South Carolina
NV South = ~35.003 / SC North = 35.12
9. Illinois to Vermont
IL North = 42.30 / VT South = ~42.727
10. California to Rhode Island
CA North = 42 Parallel / RI South = ~41.1469
11. Alaska to Maine
AK South = 51.2148 / ME North = 47.4597
12. New Mexico to Kentucky
NM North = 37 Parallel / KY South = 36.4972
13. Arkansas to Virginia
AR North = 36.4998 / VA South = 36.540738
14. Iowa to Maine
IA North = ~43.50 / ME South = 42.9747
15. Wyoming to West Virginia
WY South = 41 Parallel / WV North = ~40.6349