| Targu Secuiesc to Noventa Vicentina | 706.37 mi (1,136.79 km) |
| Targu Secuiesc to Novi di Modena | 741.52 mi (1,193.36 km) |
| Targu Secuiesc to Novi Ligure | 844.92 mi (1,359.77 km) |
| Targu Secuiesc to Nuoro | 931.18 mi (1,498.60 km) |
| Targu Secuiesc to Occhiobello | 708.49 mi (1,140.21 km) |
| Targu Secuiesc to Oderzo | 655.72 mi (1,055.29 km) |
| Targu Secuiesc to Oggiono | 806.12 mi (1,297.33 km) |
| Targu Secuiesc to Olbia | 903.19 mi (1,453.54 km) |
| Targu Secuiesc to Oleggio | 842.09 mi (1,355.21 km) |
| Targu Secuiesc to Olgiate Comasco | 824.45 mi (1,326.82 km) |
| Targu Secuiesc to Olgiate Olona | 829.80 mi (1,335.44 km) |
| Targu Secuiesc to Omegna | 850.39 mi (1,368.57 km) |
| Targu Secuiesc to Opera | 816.38 mi (1,313.84 km) |
| Targu Secuiesc to Oppeano | 722.98 mi (1,163.52 km) |
| Targu Secuiesc to Orbassano | 901.44 mi (1,450.72 km) |
