| Gheorgheni to Navodari | 221.08 mi (355.80 km) |
| Gheorgheni to Negresti-Oas | 128.86 mi (207.38 km) |
| Gheorgheni to Nehoiu | 100.48 mi (161.70 km) |
| Gheorgheni to Ocna Mures | 85.30 mi (137.27 km) |
| Gheorgheni to Odobesti | 96.52 mi (155.34 km) |
| Gheorgheni to Odorheiu Secuiesc | 31.23 mi (50.26 km) |
| Gheorgheni to Oltenita | 188.89 mi (303.99 km) |
| Gheorgheni to Onesti | 64.52 mi (103.83 km) |
| Gheorgheni to Oradea | 174.90 mi (281.48 km) |
| Gheorgheni to Orastie | 128.97 mi (207.56 km) |
| Gheorgheni to Oravita | 220.74 mi (355.25 km) |
| Gheorgheni to Orsova | 206.68 mi (332.62 km) |
| Gheorgheni to Otelu Rosu | 175.84 mi (282.99 km) |
| Gheorgheni to Otopeni | 151.71 mi (244.16 km) |
| Gheorgheni to Ovidiu | 222.11 mi (357.45 km) |
