| Indiana to Octeville | 3,659.42 mi (5,889.27 km) |
| Indiana to Oignies | 3,826.30 mi (6,157.84 km) |
| Indiana to Oissel | 3,780.25 mi (6,083.72 km) |
| Indiana to Olivet | 3,855.95 mi (6,205.55 km) |
| Indiana to Ollioules | 4,175.55 mi (6,719.89 km) |
| Indiana to Olonne-sur-Mer | 3,736.82 mi (6,013.82 km) |
| Indiana to Oloron-Sainte-Marie | 3,886.84 mi (6,255.26 km) |
| Indiana to Onet Village | 3,992.45 mi (6,425.23 km) |
| Indiana to Onnaing | 3,852.88 mi (6,200.61 km) |
| Indiana to Orange | 4,096.66 mi (6,592.93 km) |
| Indiana to Orchies | 3,836.21 mi (6,173.78 km) |
| Indiana to Orleans | 3,855.18 mi (6,204.31 km) |
| Indiana to Orly | 3,850.93 mi (6,197.47 km) |
| Indiana to Ormesson-sur-Marne | 3,855.74 mi (6,205.21 km) |
| Indiana to Orsay | 3,843.75 mi (6,185.91 km) |
