| Targu Frumos to Orbetello | 839.61 mi (1,351.22 km) |
| Targu Frumos to Oria | 657.37 mi (1,057.94 km) |
| Targu Frumos to Oristano | 1,047.70 mi (1,686.11 km) |
| Targu Frumos to Orta Nova | 689.99 mi (1,110.43 km) |
| Targu Frumos to Orte | 786.61 mi (1,265.92 km) |
| Targu Frumos to Ortona | 702.66 mi (1,130.82 km) |
| Targu Frumos to Orvieto | 790.26 mi (1,271.80 km) |
| Targu Frumos to Orzinuovi | 823.06 mi (1,324.59 km) |
| Targu Frumos to Osimo | 704.49 mi (1,133.77 km) |
| Targu Frumos to Ospitaletto | 813.81 mi (1,309.70 km) |
| Targu Frumos to Ostuni | 647.28 mi (1,041.70 km) |
| Targu Frumos to Ottaviano | 760.66 mi (1,224.17 km) |
| Targu Frumos to Ovada | 898.20 mi (1,445.51 km) |
| Targu Frumos to Ozieri | 1,003.47 mi (1,614.92 km) |
| Targu Frumos to Paceco | 970.60 mi (1,562.03 km) |
