| Targu-Mures to Nuth | 900.29 mi (1,448.88 km) |
| Targu-Mures to Oegstgeest | 980.41 mi (1,577.82 km) |
| Targu-Mures to Oirschot | 934.04 mi (1,503.19 km) |
| Targu-Mures to Oisterwijk | 939.60 mi (1,512.14 km) |
| Targu-Mures to Oldebroek | 927.91 mi (1,493.33 km) |
| Targu-Mures to Oldenzaal | 883.73 mi (1,422.23 km) |
| Targu-Mures to Ommen | 908.89 mi (1,462.72 km) |
| Targu-Mures to Oosterend | 934.36 mi (1,503.70 km) |
| Targu-Mures to Oosterhout | 954.88 mi (1,536.73 km) |
| Targu-Mures to Oosterwolde | 925.30 mi (1,489.13 km) |
| Targu-Mures to Oostzaan | 968.33 mi (1,558.38 km) |
| Targu-Mures to Opmeer | 971.21 mi (1,563.02 km) |
| Targu-Mures to Oss | 929.69 mi (1,496.19 km) |
| Targu-Mures to Oud-Beijerland | 976.74 mi (1,571.92 km) |
| Targu-Mures to Oudenbosch | 967.90 mi (1,557.68 km) |
