| Hulst to Navodari | 1,229.85 mi (1,979.25 km) |
| Hulst to Negresti-Oas | 896.53 mi (1,442.83 km) |
| Hulst to Nehoiu | 1,096.20 mi (1,764.16 km) |
| Hulst to Ocna Mures | 958.61 mi (1,542.73 km) |
| Hulst to Odobesti | 1,114.48 mi (1,793.58 km) |
| Hulst to Odorheiu Secuiesc | 1,021.97 mi (1,644.70 km) |
| Hulst to Oltenita | 1,156.05 mi (1,860.49 km) |
| Hulst to Onesti | 1,086.07 mi (1,747.86 km) |
| Hulst to Oradea | 855.40 mi (1,376.63 km) |
| Hulst to Orastie | 949.09 mi (1,527.41 km) |
| Hulst to Oravita | 916.87 mi (1,475.56 km) |
| Hulst to Orsova | 957.87 mi (1,541.54 km) |
| Hulst to Otelu Rosu | 925.92 mi (1,490.13 km) |
| Hulst to Otopeni | 1,115.13 mi (1,794.63 km) |
| Hulst to Ovidiu | 1,229.47 mi (1,978.64 km) |
