ICAO		IATA		Other		Location
				DA16		Tindouf East, Tindouf, DZ (467 mi / 751 km NE)
GQNK		KED				Kaédi [Kaédi Airport], MR (472 mi / 759 km S)
GMMF		SII				Sidi Ifni, MA (472 mi / 760 km N)
GQNU		MBR				M'bout (Mbout), MR (480 mi / 772 km S)
GQNR						Rosso, MR (483 mi / 778 km SW)
GOSR		RDT				Richard Toll [Richard Toll Airport], Saint-Louis, SN (483 mi / 778 km S)
GQNA		AEO				Aioun el Atrouss, MR (485 mi / 780 km SE)
GCLA		SPC				Santa Cruz de La Palma, Canary Islands, ES (488 mi / 785 km NW)
GOSM		MAX				Matam [Ouro Sogui Airport], Matam, SN (510 mi / 821 km S)
				GO66		Dodji, Louga, SN (529 mi / 851 km S)
GOSS		XLS				Saint-Louis [Saint-Louis Airport], Saint-Louis, SN (529 mi / 851 km SW)
GOOG						Linguère [Linguère Airport], Louga, SN (540 mi / 869 km S)
GQNS		SEY				Sélibaby [Sélibaby Airport], MR (540 mi / 870 km S)
GMAD		AGA				Agadir [Al Massira Intl], Chaouia-Ouardigha, MA (551 mi / 886 km NE)
GMAA						Agadir (Agadir Inezgane) [Inezgane], MA (551 mi / 887 km N)
GOTB		BXE				Bakel [Bakel Airport], Tambacounda, SN (562 mi / 904 km S)
GQNH		TMD				Timbedra [Timbedra Airport], MR (562 mi / 904 km SE)
GQNM						Timbedra [Dahara Airport], MR (562 mi / 905 km SE)
GAYE		EYL				Yélimané, Kayes, ML (564 mi / 908 km S)
GQNI		EMN				Néma [Néma Airport], MR (574 mi / 923 km SE)

Perhaps you wanted a map of 23N-13W?