| Grevesmuhlen to Navodari | 1,023.77 mi (1,647.60 km) |
| Grevesmuhlen to Negresti-Oas | 674.75 mi (1,085.91 km) |
| Grevesmuhlen to Nehoiu | 894.14 mi (1,438.98 km) |
| Grevesmuhlen to Ocna Mures | 761.47 mi (1,225.46 km) |
| Grevesmuhlen to Odobesti | 899.69 mi (1,447.90 km) |
| Grevesmuhlen to Odorheiu Secuiesc | 812.87 mi (1,308.19 km) |
| Grevesmuhlen to Oltenita | 970.14 mi (1,561.29 km) |
| Grevesmuhlen to Onesti | 865.90 mi (1,393.54 km) |
| Grevesmuhlen to Oradea | 665.03 mi (1,070.26 km) |
| Grevesmuhlen to Orastie | 768.79 mi (1,237.25 km) |
| Grevesmuhlen to Oravita | 769.74 mi (1,238.78 km) |
| Grevesmuhlen to Orsova | 807.30 mi (1,299.23 km) |
| Grevesmuhlen to Otelu Rosu | 761.52 mi (1,225.55 km) |
| Grevesmuhlen to Otopeni | 927.61 mi (1,492.84 km) |
| Grevesmuhlen to Ovidiu | 1,024.51 mi (1,648.78 km) |
