| Zemun to Octeville | 1,080.87 mi (1,739.50 km) |
| Zemun to Oignies | 895.38 mi (1,440.98 km) |
| Zemun to Oissel | 956.60 mi (1,539.50 km) |
| Zemun to Olivet | 904.01 mi (1,454.87 km) |
| Zemun to Ollioules | 731.94 mi (1,177.94 km) |
| Zemun to Olonne-sur-Mer | 1,072.84 mi (1,726.57 km) |
| Zemun to Oloron-Sainte-Marie | 1,046.97 mi (1,684.93 km) |
| Zemun to Onet Village | 874.77 mi (1,407.81 km) |
| Zemun to Onnaing | 868.41 mi (1,397.57 km) |
| Zemun to Orange | 768.77 mi (1,237.21 km) |
| Zemun to Orchies | 885.10 mi (1,424.43 km) |
| Zemun to Orleans | 903.93 mi (1,454.74 km) |
| Zemun to Orly | 890.76 mi (1,433.53 km) |
| Zemun to Ormesson-sur-Marne | 884.80 mi (1,423.95 km) |
| Zemun to Orsay | 899.37 mi (1,447.40 km) |
