| Galena Park to Octeville | 4,833.39 mi (7,778.59 km) |
| Galena Park to Oignies | 4,997.29 mi (8,042.36 km) |
| Galena Park to Oissel | 4,953.70 mi (7,972.21 km) |
| Galena Park to Olivet | 5,030.53 mi (8,095.86 km) |
| Galena Park to Ollioules | 5,350.46 mi (8,610.73 km) |
| Galena Park to Olonne-sur-Mer | 4,911.96 mi (7,905.04 km) |
| Galena Park to Oloron-Sainte-Marie | 5,059.66 mi (8,142.74 km) |
| Galena Park to Onet Village | 5,167.34 mi (8,316.03 km) |
| Galena Park to Onnaing | 5,023.69 mi (8,084.85 km) |
| Galena Park to Orange | 5,271.77 mi (8,484.10 km) |
| Galena Park to Orchies | 5,007.06 mi (8,058.08 km) |
| Galena Park to Orleans | 5,029.73 mi (8,094.57 km) |
| Galena Park to Orly | 5,024.62 mi (8,086.34 km) |
| Galena Park to Ormesson-sur-Marne | 5,029.33 mi (8,093.92 km) |
| Galena Park to Orsay | 5,017.55 mi (8,074.96 km) |
