| Eureka to Octeville | 5,282.72 mi (8,501.72 km) |
| Eureka to Oignies | 5,369.02 mi (8,640.60 km) |
| Eureka to Oissel | 5,376.90 mi (8,653.28 km) |
| Eureka to Olivet | 5,479.60 mi (8,818.57 km) |
| Eureka to Ollioules | 5,855.16 mi (9,422.96 km) |
| Eureka to Olonne-sur-Mer | 5,440.33 mi (8,755.36 km) |
| Eureka to Oloron-Sainte-Marie | 5,653.67 mi (9,098.70 km) |
| Eureka to Onet Village | 5,690.25 mi (9,157.57 km) |
| Eureka to Onnaing | 5,389.81 mi (8,674.06 km) |
| Eureka to Orange | 5,768.84 mi (9,284.05 km) |
| Eureka to Orchies | 5,375.51 mi (8,651.05 km) |
| Eureka to Orleans | 5,477.76 mi (8,815.60 km) |
| Eureka to Orly | 5,446.02 mi (8,764.52 km) |
| Eureka to Ormesson-sur-Marne | 5,447.85 mi (8,767.47 km) |
| Eureka to Orsay | 5,442.69 mi (8,759.17 km) |
