| Gernsheim to Navodari | 1,015.53 mi (1,634.34 km) |
| Gernsheim to Negresti-Oas | 690.93 mi (1,111.94 km) |
| Gernsheim to Nehoiu | 882.26 mi (1,419.87 km) |
| Gernsheim to Ocna Mures | 745.35 mi (1,199.53 km) |
| Gernsheim to Odobesti | 903.23 mi (1,453.62 km) |
| Gernsheim to Odorheiu Secuiesc | 810.53 mi (1,304.42 km) |
| Gernsheim to Oltenita | 938.70 mi (1,510.69 km) |
| Gernsheim to Onesti | 876.57 mi (1,410.71 km) |
| Gernsheim to Oradea | 642.45 mi (1,033.93 km) |
| Gernsheim to Orastie | 732.72 mi (1,179.20 km) |
| Gernsheim to Oravita | 696.62 mi (1,121.11 km) |
| Gernsheim to Orsova | 737.66 mi (1,187.15 km) |
| Gernsheim to Otelu Rosu | 707.45 mi (1,138.53 km) |
| Gernsheim to Otopeni | 898.33 mi (1,445.73 km) |
| Gernsheim to Ovidiu | 1,014.93 mi (1,633.37 km) |
