| Quartucciu to Oberkirch | 643.50 mi (1,035.61 km) |
| Quartucciu to Obernburg am Main | 731.50 mi (1,177.24 km) |
| Quartucciu to Obernkirchen | 899.15 mi (1,447.04 km) |
| Quartucciu to Oberschleissheim | 632.90 mi (1,018.55 km) |
| Quartucciu to Oberstdorf | 566.28 mi (911.34 km) |
| Quartucciu to Obertraubling | 687.15 mi (1,105.87 km) |
| Quartucciu to Obertshausen | 747.35 mi (1,202.74 km) |
| Quartucciu to Oberursel | 757.16 mi (1,218.54 km) |
| Quartucciu to Ochsenfurt | 719.70 mi (1,158.24 km) |
| Quartucciu to Ochsenhausen | 610.57 mi (982.61 km) |
| Quartucciu to Ochtrup | 899.96 mi (1,448.35 km) |
| Quartucciu to Odenthal | 820.02 mi (1,319.70 km) |
| Quartucciu to Oelde | 870.62 mi (1,401.12 km) |
| Quartucciu to Oelsnitz | 784.96 mi (1,263.28 km) |
| Quartucciu to Oer-Erkenschwick | 861.01 mi (1,385.66 km) |
