| Northern | Kolovesi | Main Haukivesi | Pihlajavesi | Southern |
---|---|---|---|---|---|
 | Saimaa |  | area | area | Saimaa |
Northern Saimaa | – | 15.67 | 18.55 | 8.18 | 3.87 |
Kolovesi | 0.129 | – | 7.22 | 5.01 | 5.44 |
Main Haukivesi area | 0.045 | 0.142 | – | 11.31 | 6.50 |
Pihlajavesi area | 0.090 | 0.186 | 0.055 | – | 7.79 |
Southern Saimaa | 0.143 | 0.170 | 0.074 | 0.055 | – |