| Holsbeek to Navodari | 1,193.78 mi (1,921.20 km) |
| Holsbeek to Negresti-Oas | 862.48 mi (1,388.03 km) |
| Holsbeek to Nehoiu | 1,060.19 mi (1,706.22 km) |
| Holsbeek to Ocna Mures | 922.73 mi (1,484.99 km) |
| Holsbeek to Odobesti | 1,079.20 mi (1,736.81 km) |
| Holsbeek to Odorheiu Secuiesc | 986.60 mi (1,587.78 km) |
| Holsbeek to Oltenita | 1,119.04 mi (1,800.92 km) |
| Holsbeek to Onesti | 1,051.23 mi (1,691.79 km) |
| Holsbeek to Oradea | 819.54 mi (1,318.92 km) |
| Holsbeek to Orastie | 912.33 mi (1,468.25 km) |
| Holsbeek to Oravita | 878.75 mi (1,414.21 km) |
| Holsbeek to Orsova | 919.77 mi (1,480.23 km) |
| Holsbeek to Otelu Rosu | 888.49 mi (1,429.88 km) |
| Holsbeek to Otopeni | 1,078.29 mi (1,735.34 km) |
| Holsbeek to Ovidiu | 1,193.33 mi (1,920.48 km) |
