| Dongen to Navodari | 1,199.07 mi (1,929.71 km) |
| Dongen to Negresti-Oas | 862.73 mi (1,388.43 km) |
| Dongen to Nehoiu | 1,065.38 mi (1,714.57 km) |
| Dongen to Ocna Mures | 927.67 mi (1,492.95 km) |
| Dongen to Odobesti | 1,082.36 mi (1,741.90 km) |
| Dongen to Odorheiu Secuiesc | 990.09 mi (1,593.39 km) |
| Dongen to Oltenita | 1,127.23 mi (1,814.11 km) |
| Dongen to Onesti | 1,053.28 mi (1,695.10 km) |
| Dongen to Oradea | 824.53 mi (1,326.96 km) |
| Dongen to Orastie | 919.89 mi (1,480.42 km) |
| Dongen to Oravita | 891.08 mi (1,434.06 km) |
| Dongen to Orsova | 931.98 mi (1,499.87 km) |
| Dongen to Otelu Rosu | 898.30 mi (1,445.67 km) |
| Dongen to Otopeni | 1,085.97 mi (1,747.70 km) |
| Dongen to Ovidiu | 1,198.81 mi (1,929.30 km) |
