Note! This is the old version of World of O which is kept only for historical reasons. Links are mostly dead - please use WorldofO.com

• Arod - Mapas Cartografia Desenho de Mapas de O (General O-pages, Portugal)
• Grupo Desportivo 4 Caminhos tecnical information, events, results (General O-pages, Portugal)
• Orienteering in Portugal Orienteering in Portugal (General O-pages, Portugal)

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