| Rantoul to Octeville | 4,040.37 mi (6,502.35 km) |
| Rantoul to Oignies | 4,194.97 mi (6,751.16 km) |
| Rantoul to Oissel | 4,158.25 mi (6,692.06 km) |
| Rantoul to Olivet | 4,240.20 mi (6,823.94 km) |
| Rantoul to Ollioules | 4,574.38 mi (7,361.76 km) |
| Rantoul to Olonne-sur-Mer | 4,133.80 mi (6,652.70 km) |
| Rantoul to Oloron-Sainte-Marie | 4,296.99 mi (6,915.34 km) |
| Rantoul to Onet Village | 4,392.00 mi (7,068.23 km) |
| Rantoul to Onnaing | 4,220.94 mi (6,792.94 km) |
| Rantoul to Orange | 4,493.14 mi (7,231.02 km) |
| Rantoul to Orchies | 4,204.42 mi (6,766.35 km) |
| Rantoul to Orleans | 4,239.22 mi (6,822.36 km) |
| Rantoul to Orly | 4,229.83 mi (6,807.26 km) |
| Rantoul to Ormesson-sur-Marne | 4,234.17 mi (6,814.24 km) |
| Rantoul to Orsay | 4,223.24 mi (6,796.66 km) |
