Useful info

Sea distances

	NORTH (FROM SYDNEY)	SOUTH (FROM YAMBA)
SYDNEY (NORTH HEAD)	-	310
BARRENJOEY HEAD	16	294
LAKE MACQUARIE (SWANSEA CHANNEL)	52	258
PORT STEPHENS	87	223
SUGAR LOAF POINT	112	198
FORSTER	127	198
CROWDY HEAD	150	160
LAURIETON	164	146
PORT MACQUARIE	179	131
CRESCENT HEAD	194	116
SMOKEY CAPE	210	100
NAMBUCCA HEADS	230	80
COFFS HARBOUR	254	56
YAMBA	310	-
	NORTH (FROM YAMBA)	SOUTH (FROM SOUTHPORT )
YAMBA	-	95
EVANS HEAD	19	76
BALLINA	37	58
CAPE BYRON	51	44
POINT DANGER	82	13
SOUTHPORT (GOLDCOAST SEAWAY)	95	-