| Erkrath to Ordu | 1,627.51 mi (2,619.23 km) |
| Erkrath to Ortahisar | 1,606.02 mi (2,584.65 km) |
| Erkrath to Ortakent | 1,395.31 mi (2,245.54 km) |
| Erkrath to Ortaklar | 1,361.33 mi (2,190.84 km) |
| Erkrath to Ortakoy | 1,567.57 mi (2,522.76 km) |
| Erkrath to Ortakoy | 1,548.03 mi (2,491.32 km) |
| Erkrath to Osmaneli | 1,333.87 mi (2,146.66 km) |
| Erkrath to Osmaniye | 1,734.05 mi (2,790.69 km) |
| Erkrath to Ozdere | 1,341.09 mi (2,158.28 km) |
| Erkrath to Palu | 1,810.74 mi (2,914.11 km) |
| Erkrath to Pamukkale | 1,418.15 mi (2,282.30 km) |
| Erkrath to Patnos | 1,910.61 mi (3,074.84 km) |
| Erkrath to Pazar | 1,592.11 mi (2,562.25 km) |
| Erkrath to Pazarcik | 1,756.72 mi (2,827.17 km) |
| Erkrath to Pazaryeri | 1,345.63 mi (2,165.58 km) |
