| Grigiskes to Navodari | 731.75 mi (1,177.65 km) |
| Grigiskes to Negresti-Oas | 475.17 mi (764.71 km) |
| Grigiskes to Nehoiu | 645.70 mi (1,039.16 km) |
| Grigiskes to Ocna Mures | 574.43 mi (924.45 km) |
| Grigiskes to Odobesti | 620.98 mi (999.37 km) |
| Grigiskes to Odorheiu Secuiesc | 577.19 mi (928.90 km) |
| Grigiskes to Oltenita | 734.22 mi (1,181.62 km) |
| Grigiskes to Onesti | 585.52 mi (942.30 km) |
| Grigiskes to Oradea | 542.58 mi (873.20 km) |
| Grigiskes to Orastie | 614.87 mi (989.54 km) |
| Grigiskes to Oravita | 682.08 mi (1,097.70 km) |
| Grigiskes to Orsova | 697.30 mi (1,122.19 km) |
| Grigiskes to Otelu Rosu | 643.57 mi (1,035.72 km) |
| Grigiskes to Otopeni | 700.33 mi (1,127.07 km) |
| Grigiskes to Ovidiu | 734.72 mi (1,182.41 km) |
