| Gernsbach to Navodari | 1,007.89 mi (1,622.05 km) |
| Gernsbach to Negresti-Oas | 694.95 mi (1,118.42 km) |
| Gernsbach to Nehoiu | 875.76 mi (1,409.40 km) |
| Gernsbach to Ocna Mures | 740.60 mi (1,191.88 km) |
| Gernsbach to Odobesti | 899.89 mi (1,448.23 km) |
| Gernsbach to Odorheiu Secuiesc | 807.52 mi (1,299.57 km) |
| Gernsbach to Oltenita | 926.83 mi (1,491.59 km) |
| Gernsbach to Onesti | 875.28 mi (1,408.63 km) |
| Gernsbach to Oradea | 639.01 mi (1,028.39 km) |
| Gernsbach to Orastie | 723.63 mi (1,164.57 km) |
| Gernsbach to Oravita | 679.59 mi (1,093.70 km) |
| Gernsbach to Orsova | 720.50 mi (1,159.53 km) |
| Gernsbach to Otelu Rosu | 694.72 mi (1,118.04 km) |
| Gernsbach to Otopeni | 887.58 mi (1,428.42 km) |
| Gernsbach to Ovidiu | 1,007.00 mi (1,620.61 km) |
