| Arnhem to Navodari | 1,165.83 mi (1,876.22 km) |
| Arnhem to Negresti-Oas | 826.50 mi (1,330.12 km) |
| Arnhem to Nehoiu | 1,032.23 mi (1,661.21 km) |
| Arnhem to Ocna Mures | 894.57 mi (1,439.66 km) |
| Arnhem to Odobesti | 1,047.76 mi (1,686.21 km) |
| Arnhem to Odorheiu Secuiesc | 955.84 mi (1,538.28 km) |
| Arnhem to Oltenita | 1,096.23 mi (1,764.21 km) |
| Arnhem to Onesti | 1,017.96 mi (1,638.25 km) |
| Arnhem to Oradea | 791.68 mi (1,274.08 km) |
| Arnhem to Orastie | 888.73 mi (1,430.28 km) |
| Arnhem to Oravita | 863.79 mi (1,390.14 km) |
| Arnhem to Orsova | 904.49 mi (1,455.64 km) |
| Arnhem to Otelu Rosu | 868.94 mi (1,398.42 km) |
| Arnhem to Otopeni | 1,054.63 mi (1,697.26 km) |
| Arnhem to Ovidiu | 1,165.70 mi (1,876.02 km) |
