| Terracina to Oberkirch | 560.79 mi (902.51 km) |
| Terracina to Obernburg am Main | 623.48 mi (1,003.39 km) |
| Terracina to Obernkirchen | 783.31 mi (1,260.62 km) |
| Terracina to Oberschleissheim | 488.35 mi (785.92 km) |
| Terracina to Oberstdorf | 447.93 mi (720.88 km) |
| Terracina to Obertraubling | 533.41 mi (858.45 km) |
| Terracina to Obertshausen | 642.95 mi (1,034.72 km) |
| Terracina to Oberursel | 655.88 mi (1,055.53 km) |
| Terracina to Ochsenfurt | 598.16 mi (962.65 km) |
| Terracina to Ochsenhausen | 496.20 mi (798.56 km) |
| Terracina to Ochtrup | 806.65 mi (1,298.18 km) |
| Terracina to Odenthal | 734.20 mi (1,181.58 km) |
| Terracina to Oelde | 767.67 mi (1,235.44 km) |
| Terracina to Oelsnitz | 633.19 mi (1,019.02 km) |
| Terracina to Oer-Erkenschwick | 769.93 mi (1,239.08 km) |
