| Warendorf to Navodari | 1,081.82 mi (1,741.02 km) |
| Warendorf to Negresti-Oas | 740.49 mi (1,191.70 km) |
| Warendorf to Nehoiu | 948.40 mi (1,526.31 km) |
| Warendorf to Ocna Mures | 810.92 mi (1,305.05 km) |
| Warendorf to Odobesti | 962.76 mi (1,549.41 km) |
| Warendorf to Odorheiu Secuiesc | 871.19 mi (1,402.04 km) |
| Warendorf to Oltenita | 1,014.24 mi (1,632.27 km) |
| Warendorf to Onesti | 932.45 mi (1,500.63 km) |
| Warendorf to Oradea | 708.40 mi (1,140.06 km) |
| Warendorf to Orastie | 806.88 mi (1,298.55 km) |
| Warendorf to Oravita | 786.01 mi (1,264.97 km) |
| Warendorf to Orsova | 826.40 mi (1,329.96 km) |
| Warendorf to Otelu Rosu | 788.92 mi (1,269.65 km) |
| Warendorf to Otopeni | 972.38 mi (1,564.90 km) |
| Warendorf to Ovidiu | 1,081.80 mi (1,741.00 km) |
