I've only listed the buildings where I went to the top and which are over 100m. So buildings which I just visited on ground level are not included. Otherwise the list would be too long.
EUROPE:
368m - Fernsehturm, Berlin, Germany
324m - Eiffel Tower, Paris, France
291m - Olympiaturm, Munich, Germany
252m – Donauturm, Vienna, Austria
241m - Rheinturm, Düsseldorf, Germany
231m – Palace of Culture and Science, Warsaw, Poland
217m - Fernsehturm, Stuttgart, Germany
216m – Zizkov, Prague, Czech Republic
213m - Fernmeldeturm, Mannheim, Germany
210m - Tour Montparnasse, Paris, France
200m - Main Tower, Frankfurt, Germany
185m - Euromast, Rotterdam, Netherlands
162m - Ulmer Münster, Ulm, Germany
158m - Kölner Dom, Cologne, Germany
147m - St. Nikolaikirche, Hamburg, Germany
142m - Notre Dame de Strasbourg, Strasbourg, France
136m – Stephansdom, Vienna, Austria
135m - London Eye, London, UK
132m - St. Michaelskirche, Hamburg, Germany
124m – St. Olaf’s Church, Tallinn, Estonia
123m – St. Peter’s Church, Riga, Latvia
116m - AfE Turm, Frankfurt, Germany
116m - Freiburger Münster, Freiburg, Germany
115m - Japan Center, Frankfurt, Germany
112m - Domtoren, Utrecht, Netherlands
111m - La Grande Arche, Paris
111m - St. Pauls Cathedral, London, UK
105m - Kolhoff Tower, Berlin, Germany
103m - Triangle Tower, Cologne, Germany
103m - Atomium, Brussels, Belgium
102m – St. Isaac Cathedral, St. Petersburg, Russia
ASIA:
828m – Burj Khalifa, Dubai, UAE
600m – Canton Tower, Guangzhou, China
508m – Taipei 101, Taipei, Taiwan
492m – Shanghai World Financial Center, Shanghai, China
484m – International Commerce Center, Hong Kong, China
468m – Oriental Pearl Tower, Shanghai, China
452m – Petronas Towers, Kuala Lumpur, Malaysia
450m – Nanjing Greenland Financial Complex, Nanjing, China
421m – Jin Mao Tower, Shanghai, China
421m – Menara Kuala Lumpur, Kuala Lumpur, Malaysia
387m – Central Radio & TV Tower, Beijing, China
384m – Shun Hing Square, Shenzhen, China
378m – Tuntex 85 Sky Tower, Kaohsiung, Taiwan
338m – Macau Tower, Macau, China
333m – Shanghai Shimao International Plaza, Shanghai, China
333m – Tokyo Tower, Tokyo, Japan
304m – Baiyoke Tower II, Bangkok, Thailand
296m – Landmark Tower, Yokohama, Japan
256m – Osaka World Trade Center, Osaka, Japan
247m – Midland Square, Nagoya, Japan
243m – Tokyo Metropolitan Government Building, Tokyo, Japan
238m – Roppongi Hills Mori Tower, Tokyo, Japan
234m – Fukuoka Tower, Fukuoka, Japan
191m – Dalian Radio & TV Tower, Dalian, China
173m – Umeda Sky Building, Osaka, Japan
169m – Singapore Flyer, Singapore, Singapore
141m – New Taipei City Government, Taipei, Taiwan
131m – Kyoto Tower, Kyoto, Japan
108m – Kobe Port Tower, Kobe, Japan
NORTH AMERICA:
553m – CN Tower, Toronto, Canada
442m – Willis Tower, Chicago, USA
415m – Two World Trade Center, New York, USA
381m – Empire State Building, New York, USA
350m – Stratosphere Tower, Las Vegas, USA
344m – John Hancock Center, Chicago, USA
260m – GE Building, New York, USA
228m – Prudential Tower, Boston, USA
182m – Torre Latinoamericana, Mexico City, Mexico
165m – Eiffel Tower at Paris Las Vegas, Las Vegas, USA
159m - Skylon Tower, Niagara Falls, Canada
133m – Palace Tower, Las Vegas, USA
114m – Las Vegas Hilton, Las Vegas, USA
OCEANIA:
328m – Sky Tower, Auckland, New Zealand
323m - Q1, Gold Coast, Australia
309m - Sydney Tower, Sydney, Australia
297m - Eureka Tower, Melbourne, Australia
251m - Rialto Towers, Melbourne, Australia
230m - World Tower, Sydney, Australia
117m – One Central Park, Sydney, Australia
SOUTH AMERICA:
165m – Edificio Italia, Sao Paulo, Brazil
161m – Edificio Altino Arantes, Sao Paulo, Brazil
AFRICA:
223m - Carlton Centre Office Tower, Johannesburg, South Africa