| Harsewinkel to Navodari | 1,072.62 mi (1,726.22 km) |
| Harsewinkel to Negresti-Oas | 730.95 mi (1,176.35 km) |
| Harsewinkel to Nehoiu | 939.24 mi (1,511.57 km) |
| Harsewinkel to Ocna Mures | 801.81 mi (1,290.39 km) |
| Harsewinkel to Odobesti | 953.39 mi (1,534.34 km) |
| Harsewinkel to Odorheiu Secuiesc | 861.89 mi (1,387.08 km) |
| Harsewinkel to Oltenita | 1,005.39 mi (1,618.02 km) |
| Harsewinkel to Onesti | 922.99 mi (1,485.42 km) |
| Harsewinkel to Oradea | 699.37 mi (1,125.52 km) |
| Harsewinkel to Orastie | 798.07 mi (1,284.37 km) |
| Harsewinkel to Oravita | 777.86 mi (1,251.85 km) |
| Harsewinkel to Orsova | 818.19 mi (1,316.75 km) |
| Harsewinkel to Otelu Rosu | 780.41 mi (1,255.95 km) |
| Harsewinkel to Otopeni | 963.49 mi (1,550.59 km) |
| Harsewinkel to Ovidiu | 1,072.63 mi (1,726.22 km) |
