| Iasi to Octeville | 1,343.23 mi (2,161.72 km) |
| Iasi to Oignies | 1,136.55 mi (1,829.10 km) |
| Iasi to Oissel | 1,221.92 mi (1,966.49 km) |
| Iasi to Olivet | 1,194.25 mi (1,921.96 km) |
| Iasi to Ollioules | 1,091.33 mi (1,756.32 km) |
| Iasi to Olonne-sur-Mer | 1,379.95 mi (2,220.82 km) |
| Iasi to Oloron-Sainte-Marie | 1,392.34 mi (2,240.76 km) |
| Iasi to Onet Village | 1,214.81 mi (1,955.05 km) |
| Iasi to Onnaing | 1,109.75 mi (1,785.97 km) |
| Iasi to Orange | 1,115.68 mi (1,795.52 km) |
| Iasi to Orchies | 1,125.55 mi (1,811.40 km) |
| Iasi to Orleans | 1,193.53 mi (1,920.80 km) |
| Iasi to Orly | 1,165.68 mi (1,875.98 km) |
| Iasi to Ormesson-sur-Marne | 1,158.86 mi (1,865.01 km) |
| Iasi to Orsay | 1,175.25 mi (1,891.38 km) |
