| Country A | Country B | Lake | % Correct |
|---|---|---|---|
| Michigan, United States | Ontario, Canada | Lake Huron | 100%
|
| Michigan, United States | Ontario, Canada | Lake Erie | 94%
|
| Ohio, United States | Ontario, Canada | Lake Erie | 94%
|
| Azerbaijan | Turkmenistan | Caspian Sea | 89%
|
| France | Switzerland | Lake Geneva | 89%
|
| New York, United States | Ontario, Canada | Lake Ontario | Lake St. Lawrence | 89%
|
| Tanzania | Uganda | Lake Victoria | 89%
|
| Israel / West Bank | Jordan | Dead Sea | 83%
|
| Malawi | Tanzania | Lake Malawi | 83%
|
| Michigan, United States | Ontario, Canada | Lake Superior | 83%
|
| DR Congo | Tanzania | Lake Tanganyika | 83%
|
| Bolivia | Peru | Lake Titicaca | 78%
|
| Kazakhstan | Uzbekistan | Aral Sea | 72%
|
| Chad | Nigeria | Lake Chad | 67%
|
| Germany | Switzerland | Lake Constance | 61%
|
| DR Congo | Uganda | Lake Albert | Lake Edward | 50%
|
| DR Congo | Rwanda | Lake Kivu | 44%
|
| Italy | Switzerland | Lake Lugano | Lake Maggiore | 39%
|
| Albania | North Macedonia | Lake Ohrid | Lake Prespa | 39%
|
| Michigan, United States | Ontario, Canada | Lake St. Clair | 39%
|
| Egypt | Sudan | Lake Nasser | 28%
|
| Estonia | Russia | Lake Peipus | 28%
|
| Kenya | Ethiopia | Lake Turkana | 28%
|
| Zambia | Zimbabwe | Lake Kariba | 17%
|
| Albania | Montenegero | Lake Skadar | 17%
|