#	Port Name	Country
1701	Old Kilpatrick	GB
1702	Oldenburg/Oldenburg	DE
1703	Oldersum	DE
1704	Olongapo	PH
1705	Olympia	US
1706	Omaezaki, Shizuoka	JP
1707	Omisalj	HR
1708	Omishima, Ehime	JP
1709	Onahama, Fukushima	JP
1710	Onega	SU
1711	Onehunga (Manukau Harbou	NZ
1712	Onne	NG
1713	Onoda, Yamaguchi	JP
1714	Onomichi, Hiroshima	JP
1715	Onsan	KR
1716	Oostende	BE
1717	Opua (Bay Of Island)	NZ
1718	Oran	DZ
1719	Orange	US
1720	Oranjestad	AW
1721	Ordu	TR
1722	Orehoved	DK
1723	Orinoco River	VE
1724	Ornskoldsvik	SE
1725	Orobay	PG
1726	Orth/Fehmarn	DE
1727	Osaka, Osaka	JP
1728	Oshawa	CA
1729	Oskarshamn	SE
1730	Oslo	NO
1731	Oswego	US
1732	Otago Harbour	NZ
1733	Otaru, Hokkaido	JP
1734	Otterbacken	SE
1735	Oulu	FI
1736	Owase, Mie	JP
1737	Owen Sound	CA
1738	Owendo	GA
1739	Oxelosund	SE
1740	Oxford	GB
1741	Ozamis, Mindanao	PH
1742	Paamiut (Fredrikshaab)	GL
1743	Pacasmayo	PE
1744	Pachi	GR
1745	Padstow	GB
1746	Pago Pago	AS
1747	Paimboeuf	FR
1748	Paimpol	FR
1749	Paita	PE
1750	Palamos	ES