| Targu Ocna to Orthez | 1,347.84 mi (2,169.14 km) |
| Targu Ocna to Orvault | 1,330.84 mi (2,141.78 km) |
| Targu Ocna to Osny | 1,153.37 mi (1,856.17 km) |
| Targu Ocna to Ostwald | 895.36 mi (1,440.94 km) |
| Targu Ocna to Ouistreham | 1,258.14 mi (2,024.78 km) |
| Targu Ocna to Oullins | 1,044.35 mi (1,680.72 km) |
| Targu Ocna to Outreau | 1,179.71 mi (1,898.55 km) |
| Targu Ocna to Oyonnax | 998.40 mi (1,606.76 km) |
| Targu Ocna to Ozoir-la-Ferriere | 1,125.33 mi (1,811.04 km) |
| Targu Ocna to Pace | 1,331.19 mi (2,142.34 km) |
| Targu Ocna to Palaiseau | 1,145.15 mi (1,842.95 km) |
| Targu Ocna to Pamiers | 1,242.18 mi (1,999.09 km) |
| Targu Ocna to Panazol | 1,208.69 mi (1,945.20 km) |
| Targu Ocna to Pantin | 1,137.97 mi (1,831.38 km) |
| Targu Ocna to Paray-le-Monial | 1,069.22 mi (1,720.74 km) |
