| Koszeg to Oerlinghausen | 473.50 mi (762.03 km) |
| Koszeg to Oestrich-Winkel | 429.63 mi (691.43 km) |
| Koszeg to Offenburg | 405.80 mi (653.08 km) |
| Koszeg to Oftersheim | 390.39 mi (628.27 km) |
| Koszeg to Ohrdruf | 354.75 mi (570.92 km) |
| Koszeg to Ohringen | 347.52 mi (559.27 km) |
| Koszeg to Olbernhau | 269.72 mi (434.07 km) |
| Koszeg to Olching | 249.46 mi (401.47 km) |
| Koszeg to Oldenburg | 541.65 mi (871.70 km) |
| Koszeg to Oldenburg in Holstein | 537.79 mi (865.48 km) |
| Koszeg to Olfen | 507.95 mi (817.47 km) |
| Koszeg to Olpe | 466.46 mi (750.70 km) |
| Koszeg to Olsberg | 454.52 mi (731.48 km) |
| Koszeg to Oranienburg | 399.15 mi (642.37 km) |
| Koszeg to Ortenberg | 397.61 mi (639.88 km) |
