| Koprukoy to Oerlinghausen | 1,775.59 mi (2,857.53 km) |
| Koprukoy to Oestrich-Winkel | 1,775.13 mi (2,856.79 km) |
| Koprukoy to Offenburg | 1,762.86 mi (2,837.04 km) |
| Koprukoy to Oftersheim | 1,742.15 mi (2,803.72 km) |
| Koprukoy to Ohrdruf | 1,669.60 mi (2,686.96 km) |
| Koprukoy to Ohringen | 1,699.53 mi (2,735.12 km) |
| Koprukoy to Olbernhau | 1,557.20 mi (2,506.07 km) |
| Koprukoy to Olching | 1,606.41 mi (2,585.26 km) |
| Koprukoy to Oldenburg | 1,815.65 mi (2,922.01 km) |
| Koprukoy to Oldenburg in Holstein | 1,738.73 mi (2,798.21 km) |
| Koprukoy to Olfen | 1,824.75 mi (2,936.66 km) |
| Koprukoy to Olpe | 1,795.53 mi (2,889.62 km) |
| Koprukoy to Olsberg | 1,773.01 mi (2,853.38 km) |
| Koprukoy to Oranienburg | 1,609.27 mi (2,589.86 km) |
| Koprukoy to Ortenberg | 1,733.86 mi (2,790.38 km) |
