| Heist-op-den-Berg to Navodari | 1,198.55 mi (1,928.88 km) |
| Heist-op-den-Berg to Negresti-Oas | 866.08 mi (1,393.83 km) |
| Heist-op-den-Berg to Nehoiu | 1,064.92 mi (1,713.83 km) |
| Heist-op-den-Berg to Ocna Mures | 927.38 mi (1,492.47 km) |
| Heist-op-den-Berg to Odobesti | 1,083.49 mi (1,743.72 km) |
| Heist-op-den-Berg to Odorheiu Secuiesc | 990.94 mi (1,594.77 km) |
| Heist-op-den-Berg to Oltenita | 1,124.42 mi (1,809.58 km) |
| Heist-op-den-Berg to Onesti | 1,055.27 mi (1,698.30 km) |
| Heist-op-den-Berg to Oradea | 824.17 mi (1,326.37 km) |
| Heist-op-den-Berg to Orastie | 917.53 mi (1,476.63 km) |
| Heist-op-den-Berg to Oravita | 884.94 mi (1,424.18 km) |
| Heist-op-den-Berg to Orsova | 925.95 mi (1,490.18 km) |
| Heist-op-den-Berg to Otelu Rosu | 894.16 mi (1,439.01 km) |
| Heist-op-den-Berg to Otopeni | 1,083.55 mi (1,743.81 km) |
| Heist-op-den-Berg to Ovidiu | 1,198.15 mi (1,928.23 km) |
