| Geraardsbergen to Navodari | 1,229.92 mi (1,979.36 km) |
| Geraardsbergen to Negresti-Oas | 900.44 mi (1,449.12 km) |
| Geraardsbergen to Nehoiu | 1,096.44 mi (1,764.55 km) |
| Geraardsbergen to Ocna Mures | 959.15 mi (1,543.60 km) |
| Geraardsbergen to Odobesti | 1,116.14 mi (1,796.26 km) |
| Geraardsbergen to Odorheiu Secuiesc | 1,023.48 mi (1,647.13 km) |
| Geraardsbergen to Oltenita | 1,154.09 mi (1,857.33 km) |
| Geraardsbergen to Onesti | 1,088.54 mi (1,751.84 km) |
| Geraardsbergen to Oradea | 856.02 mi (1,377.64 km) |
| Geraardsbergen to Orastie | 947.78 mi (1,525.30 km) |
| Geraardsbergen to Oravita | 912.17 mi (1,467.99 km) |
| Geraardsbergen to Orsova | 953.21 mi (1,534.04 km) |
| Geraardsbergen to Otelu Rosu | 923.03 mi (1,485.47 km) |
| Geraardsbergen to Otopeni | 1,113.57 mi (1,792.12 km) |
| Geraardsbergen to Ovidiu | 1,229.41 mi (1,978.54 km) |
