| Casciana Terme to Oberkirch | 366.54 mi (589.89 km) |
| Casciana Terme to Obernburg am Main | 441.67 mi (710.81 km) |
| Casciana Terme to Obernkirchen | 607.71 mi (978.02 km) |
| Casciana Terme to Oberschleissheim | 329.41 mi (530.14 km) |
| Casciana Terme to Oberstdorf | 268.70 mi (432.43 km) |
| Casciana Terme to Obertraubling | 382.89 mi (616.21 km) |
| Casciana Terme to Obertshausen | 459.57 mi (739.60 km) |
| Casciana Terme to Oberursel | 471.14 mi (758.23 km) |
| Casciana Terme to Ochsenfurt | 423.79 mi (682.03 km) |
| Casciana Terme to Ochsenhausen | 315.62 mi (507.95 km) |
| Casciana Terme to Ochtrup | 620.08 mi (997.92 km) |
| Casciana Terme to Odenthal | 543.76 mi (875.10 km) |
| Casciana Terme to Oelde | 585.12 mi (941.67 km) |
| Casciana Terme to Oelsnitz | 481.49 mi (774.88 km) |
| Casciana Terme to Oer-Erkenschwick | 582.03 mi (936.68 km) |
