| Red Bluff to Octeville | 5,260.85 mi (8,466.51 km) |
| Red Bluff to Oignies | 5,352.57 mi (8,614.12 km) |
| Red Bluff to Oissel | 5,357.24 mi (8,621.65 km) |
| Red Bluff to Olivet | 5,458.93 mi (8,785.30 km) |
| Red Bluff to Ollioules | 5,833.13 mi (9,387.52 km) |
| Red Bluff to Olonne-sur-Mer | 5,414.40 mi (8,713.64 km) |
| Red Bluff to Oloron-Sainte-Marie | 5,624.81 mi (9,052.26 km) |
| Red Bluff to Onet Village | 5,666.12 mi (9,118.74 km) |
| Red Bluff to Onnaing | 5,373.84 mi (8,648.36 km) |
| Red Bluff to Orange | 5,746.81 mi (9,248.59 km) |
| Red Bluff to Orchies | 5,359.31 mi (8,624.97 km) |
| Red Bluff to Orleans | 5,457.14 mi (8,782.42 km) |
| Red Bluff to Orly | 5,426.90 mi (8,733.75 km) |
| Red Bluff to Ormesson-sur-Marne | 5,428.92 mi (8,737.01 km) |
| Red Bluff to Orsay | 5,423.31 mi (8,727.98 km) |
