| Cities | Distance |
|---|---|
| Targu Ocna to Orbetello | 804.47 mi (1,294.67 km) |
| Targu Ocna to Oria | 601.88 mi (968.62 km) |
| Targu Ocna to Oristano | 1,007.52 mi (1,621.44 km) |
| Targu Ocna to Orta Nova | 641.63 mi (1,032.61 km) |
| Targu Ocna to Orte | 749.62 mi (1,206.40 km) |
| Targu Ocna to Ortona | 661.41 mi (1,064.44 km) |
| Targu Ocna to Orvieto | 754.91 mi (1,214.91 km) |
| Targu Ocna to Orzinuovi | 804.01 mi (1,293.94 km) |
| Targu Ocna to Osimo | 670.62 mi (1,079.26 km) |
| Targu Ocna to Ospitaletto | 795.48 mi (1,280.21 km) |
| Targu Ocna to Ostuni | 592.58 mi (953.67 km) |
| Targu Ocna to Ottaviano | 713.18 mi (1,147.75 km) |
| Targu Ocna to Ovada | 876.47 mi (1,410.54 km) |
| Targu Ocna to Ozieri | 964.80 mi (1,552.70 km) |
| Targu Ocna to Paceco | 918.72 mi (1,478.54 km) |