| Targu-Mures to Olympia Heights (Florida) | 5,599.34 mi (9,011.27 km) |
| Targu-Mures to Omaha (Nebraska) | 5,358.70 mi (8,623.99 km) |
| Targu-Mures to On Top of the World Designated Place (Florida) | 5,506.24 mi (8,861.43 km) |
| Targu-Mures to Onalaska (Wisconsin) | 5,062.93 mi (8,148.00 km) |
| Targu-Mures to Oneida (New York) | 4,560.69 mi (7,339.73 km) |
| Targu-Mures to Oneonta (New York) | 4,567.14 mi (7,350.09 km) |
| Targu-Mures to Ontario (California) | 6,391.84 mi (10,286.68 km) |
| Targu-Mures to Ontario (Oregon) | 5,753.07 mi (9,258.67 km) |
| Targu-Mures to Opa-locka (Florida) | 5,586.86 mi (8,991.18 km) |
| Targu-Mures to Opelika (Alabama) | 5,444.30 mi (8,761.76 km) |
| Targu-Mures to Opelousas (Louisiana) | 5,809.83 mi (9,350.01 km) |
| Targu-Mures to Orange (California) | 6,411.80 mi (10,318.80 km) |
| Targu-Mures to Orange (Texas) | 5,893.17 mi (9,484.15 km) |
| Targu-Mures to Orange City (Florida) | 5,474.50 mi (8,810.35 km) |
| Targu-Mures to Orangeburg (South Carolina) | 5,226.33 mi (8,410.97 km) |
