| Cities | Distance |
|---|---|
| Grevena to Navodari | 469.72 mi (755.94 km) |
| Grevena to Negresti-Oas | 546.88 mi (880.12 km) |
| Grevena to Nehoiu | 440.02 mi (708.15 km) |
| Grevena to Ocna Mures | 452.45 mi (728.15 km) |
| Grevena to Odobesti | 485.01 mi (780.55 km) |
| Grevena to Odorheiu Secuiesc | 472.39 mi (760.24 km) |
| Grevena to Oltenita | 384.28 mi (618.44 km) |
| Grevena to Onesti | 504.10 mi (811.28 km) |
| Grevena to Oradea | 483.40 mi (777.95 km) |
| Grevena to Orastie | 408.25 mi (657.01 km) |
| Grevena to Oravita | 342.63 mi (551.41 km) |
| Grevena to Orsova | 324.39 mi (522.06 km) |
| Grevena to Otelu Rosu | 378.34 mi (608.87 km) |
| Grevena to Otopeni | 388.99 mi (626.02 km) |
| Grevena to Ovidiu | 465.51 mi (749.17 km) |