| Zella-Mehlis to Navodari | 942.04 mi (1,516.06 km) |
| Zella-Mehlis to Negresti-Oas | 605.73 mi (974.83 km) |
| Zella-Mehlis to Nehoiu | 808.37 mi (1,300.95 km) |
| Zella-Mehlis to Ocna Mures | 670.66 mi (1,079.32 km) |
| Zella-Mehlis to Odobesti | 824.99 mi (1,327.69 km) |
| Zella-Mehlis to Odorheiu Secuiesc | 732.74 mi (1,179.23 km) |
| Zella-Mehlis to Oltenita | 871.72 mi (1,402.89 km) |
| Zella-Mehlis to Onesti | 795.94 mi (1,280.94 km) |
| Zella-Mehlis to Oradea | 567.62 mi (913.49 km) |
| Zella-Mehlis to Orastie | 664.23 mi (1,068.97 km) |
| Zella-Mehlis to Oravita | 640.57 mi (1,030.90 km) |
| Zella-Mehlis to Orsova | 681.09 mi (1,096.11 km) |
| Zella-Mehlis to Otelu Rosu | 644.65 mi (1,037.47 km) |
| Zella-Mehlis to Otopeni | 830.15 mi (1,336.00 km) |
| Zella-Mehlis to Ovidiu | 941.84 mi (1,515.74 km) |
