| San Sebastiano al Vesuvio to Oberkirch | 614.58 mi (989.08 km) |
| San Sebastiano al Vesuvio to Obernburg am Main | 671.64 mi (1,080.90 km) |
| San Sebastiano al Vesuvio to Obernkirchen | 827.83 mi (1,332.27 km) |
| San Sebastiano al Vesuvio to Oberschleissheim | 530.57 mi (853.87 km) |
| San Sebastiano al Vesuvio to Oberstdorf | 497.38 mi (800.46 km) |
| San Sebastiano al Vesuvio to Obertraubling | 572.05 mi (920.63 km) |
| San Sebastiano al Vesuvio to Obertshausen | 691.57 mi (1,112.98 km) |
| San Sebastiano al Vesuvio to Oberursel | 704.94 mi (1,134.50 km) |
| San Sebastiano al Vesuvio to Ochsenfurt | 643.81 mi (1,036.12 km) |
| San Sebastiano al Vesuvio to Ochsenhausen | 545.34 mi (877.64 km) |
| San Sebastiano al Vesuvio to Ochtrup | 855.61 mi (1,376.98 km) |
| San Sebastiano al Vesuvio to Odenthal | 785.25 mi (1,263.74 km) |
| San Sebastiano al Vesuvio to Oelde | 815.10 mi (1,311.78 km) |
| San Sebastiano al Vesuvio to Oelsnitz | 670.55 mi (1,079.14 km) |
| San Sebastiano al Vesuvio to Oer-Erkenschwick | 819.66 mi (1,319.12 km) |
