| Santiago del Teide to Orbetello | 1,843.83 mi (2,967.36 km) |
| Santiago del Teide to Oria | 2,120.10 mi (3,411.97 km) |
| Santiago del Teide to Oristano | 1,651.69 mi (2,658.13 km) |
| Santiago del Teide to Orta Nova | 2,036.90 mi (3,278.07 km) |
| Santiago del Teide to Orte | 1,899.78 mi (3,057.40 km) |
| Santiago del Teide to Ortona | 1,993.55 mi (3,208.31 km) |
| Santiago del Teide to Orvieto | 1,893.41 mi (3,047.14 km) |
| Santiago del Teide to Orzinuovi | 1,877.61 mi (3,021.73 km) |
| Santiago del Teide to Osimo | 1,977.48 mi (3,182.45 km) |
| Santiago del Teide to Ospitaletto | 1,888.84 mi (3,039.79 km) |
| Santiago del Teide to Ostuni | 2,121.11 mi (3,413.60 km) |
| Santiago del Teide to Ottaviano | 1,965.96 mi (3,163.91 km) |
| Santiago del Teide to Ovada | 1,796.89 mi (2,891.81 km) |
| Santiago del Teide to Ozieri | 1,689.18 mi (2,718.47 km) |
| Santiago del Teide to Paceco | 1,816.39 mi (2,923.20 km) |
