| Knjazevac to Octeville | 1,213.16 mi (1,952.40 km) |
| Knjazevac to Oignies | 1,030.79 mi (1,658.90 km) |
| Knjazevac to Oissel | 1,089.06 mi (1,752.68 km) |
| Knjazevac to Olivet | 1,032.43 mi (1,661.53 km) |
| Knjazevac to Ollioules | 832.76 mi (1,340.19 km) |
| Knjazevac to Olonne-sur-Mer | 1,195.80 mi (1,924.46 km) |
| Knjazevac to Oloron-Sainte-Marie | 1,154.14 mi (1,857.40 km) |
| Knjazevac to Onet Village | 986.57 mi (1,587.73 km) |
| Knjazevac to Onnaing | 1,003.92 mi (1,615.65 km) |
| Knjazevac to Orange | 878.01 mi (1,413.02 km) |
| Knjazevac to Orchies | 1,020.61 mi (1,642.51 km) |
| Knjazevac to Orleans | 1,032.48 mi (1,661.61 km) |
| Knjazevac to Orly | 1,022.14 mi (1,644.97 km) |
| Knjazevac to Ormesson-sur-Marne | 1,016.36 mi (1,635.67 km) |
| Knjazevac to Orsay | 1,030.54 mi (1,658.50 km) |
