| Koszeg to Octeville | 845.08 mi (1,360.03 km) |
| Koszeg to Oignies | 650.31 mi (1,046.58 km) |
| Koszeg to Oissel | 721.22 mi (1,160.69 km) |
| Koszeg to Olivet | 682.10 mi (1,097.74 km) |
| Koszeg to Ollioules | 596.73 mi (960.34 km) |
| Koszeg to Olonne-sur-Mer | 864.13 mi (1,390.69 km) |
| Koszeg to Oloron-Sainte-Marie | 880.65 mi (1,417.27 km) |
| Koszeg to Onet Village | 701.96 mi (1,129.69 km) |
| Koszeg to Onnaing | 623.14 mi (1,002.85 km) |
| Koszeg to Orange | 608.02 mi (978.51 km) |
| Koszeg to Orchies | 639.72 mi (1,029.53 km) |
| Koszeg to Orleans | 681.60 mi (1,096.92 km) |
| Koszeg to Orly | 659.58 mi (1,061.49 km) |
| Koszeg to Ormesson-sur-Marne | 653.12 mi (1,051.09 km) |
| Koszeg to Orsay | 668.78 mi (1,076.30 km) |
