| Stockholm to Orbetello | 1,203.12 mi (1,936.24 km) |
| Stockholm to Oria | 1,301.12 mi (2,093.95 km) |
| Stockholm to Oristano | 1,404.23 mi (2,259.89 km) |
| Stockholm to Orta Nova | 1,247.73 mi (2,008.03 km) |
| Stockholm to Orte | 1,190.51 mi (1,915.94 km) |
| Stockholm to Ortona | 1,183.59 mi (1,904.80 km) |
| Stockholm to Orvieto | 1,175.43 mi (1,891.67 km) |
| Stockholm to Orzinuovi | 1,020.02 mi (1,641.56 km) |
| Stockholm to Osimo | 1,111.90 mi (1,789.44 km) |
| Stockholm to Ospitaletto | 1,007.81 mi (1,621.91 km) |
| Stockholm to Ostuni | 1,285.04 mi (2,068.07 km) |
| Stockholm to Ottaviano | 1,286.23 mi (2,069.99 km) |
| Stockholm to Ovada | 1,088.82 mi (1,752.28 km) |
| Stockholm to Ozieri | 1,353.46 mi (2,178.19 km) |
| Stockholm to Paceco | 1,495.01 mi (2,405.98 km) |
