| San Benedetto del Tronto to Oberkirch | 476.18 mi (766.33 km) |
| San Benedetto del Tronto to Obernburg am Main | 526.69 mi (847.63 km) |
| San Benedetto del Tronto to Obernkirchen | 680.52 mi (1,095.20 km) |
| San Benedetto del Tronto to Oberschleissheim | 382.89 mi (616.20 km) |
| San Benedetto del Tronto to Oberstdorf | 354.53 mi (570.56 km) |
| San Benedetto del Tronto to Obertraubling | 423.72 mi (681.91 km) |
| San Benedetto del Tronto to Obertshausen | 546.91 mi (880.17 km) |
| San Benedetto del Tronto to Oberursel | 560.60 mi (902.20 km) |
| San Benedetto del Tronto to Ochsenfurt | 497.32 mi (800.35 km) |
| San Benedetto del Tronto to Ochsenhausen | 401.81 mi (646.65 km) |
| San Benedetto del Tronto to Ochtrup | 710.81 mi (1,143.93 km) |
| San Benedetto del Tronto to Odenthal | 642.50 mi (1,034.01 km) |
| San Benedetto del Tronto to Oelde | 669.29 mi (1,077.12 km) |
| San Benedetto del Tronto to Oelsnitz | 522.24 mi (840.46 km) |
| San Benedetto del Tronto to Oer-Erkenschwick | 675.56 mi (1,087.21 km) |
