0078

Oder

41 : 88, 89, 93, 95,100,101,102,150; 42 : 10, 21, 23, 42, 44, 49, 52, 69, 93,103, 112,118,120,126,127,128,129,136,141,145, 146,169,177,180,181,183.

0079

Ontariomeer [ook : Meer van Ontario : 43,125]

35 : 150; 43 : 125,126,146.

0080

Oosterdok

19 : 23.

0081

Oosterschelde

13 : 159,165.

0082

Orinoco

34 : 51, 52, 62, 78, 83,118,124.

0083

Oudezijds Achterburgwal

25 : 111,123,127,129.