The distance between Riyadh (Saudi Arabia) and Sintra (Lisboa Region, Portugal) is ca. 5.439,9 km (air line).
Distance between Riyadh and other cities and places worldwide
Distance between Riyadh and other major cities
Los Angeles13283.6 km
Vancouver11722.5 km- New York City10501.8 km
Mexico CIty13866 km
London4937.3 km
Paris4676.7 km
Berlin4161.4 km
Stockholm4440.8 km
Tokyo8696 km