| Richfield to Octeville | 4,033.10 mi (6,490.65 km) |
| Richfield to Oignies | 4,168.92 mi (6,709.23 km) |
| Richfield to Oissel | 4,145.39 mi (6,671.37 km) |
| Richfield to Olivet | 4,235.20 mi (6,815.90 km) |
| Richfield to Ollioules | 4,587.53 mi (7,382.91 km) |
| Richfield to Olonne-sur-Mer | 4,148.94 mi (6,677.08 km) |
| Richfield to Oloron-Sainte-Marie | 4,331.36 mi (6,970.64 km) |
| Richfield to Onet Village | 4,408.19 mi (7,094.30 km) |
| Richfield to Onnaing | 4,193.74 mi (6,749.18 km) |
| Richfield to Orange | 4,503.50 mi (7,247.69 km) |
| Richfield to Orchies | 4,177.62 mi (6,723.23 km) |
| Richfield to Orleans | 4,233.93 mi (6,813.85 km) |
| Richfield to Orly | 4,217.37 mi (6,787.20 km) |
| Richfield to Ormesson-sur-Marne | 4,220.99 mi (6,793.03 km) |
| Richfield to Orsay | 4,211.69 mi (6,778.06 km) |
