| Galena Park to Orbetello | 5,608.72 mi (9,026.36 km) |
| Galena Park to Oria | 5,958.24 mi (9,588.87 km) |
| Galena Park to Oristano | 5,585.72 mi (8,989.34 km) |
| Galena Park to Orta Nova | 5,843.34 mi (9,403.95 km) |
| Galena Park to Orte | 5,658.15 mi (9,105.91 km) |
| Galena Park to Ortona | 5,747.66 mi (9,249.96 km) |
| Galena Park to Orvieto | 5,636.65 mi (9,071.31 km) |
| Galena Park to Orzinuovi | 5,446.43 mi (8,765.18 km) |
| Galena Park to Osimo | 5,665.27 mi (9,117.38 km) |
| Galena Park to Ospitaletto | 5,446.63 mi (8,765.51 km) |
| Galena Park to Ostuni | 5,946.51 mi (9,569.99 km) |
| Galena Park to Ottaviano | 5,809.88 mi (9,350.09 km) |
| Galena Park to Ovada | 5,419.61 mi (8,722.01 km) |
| Galena Park to Ozieri | 5,579.78 mi (8,979.78 km) |
| Galena Park to Paceco | 5,836.44 mi (9,392.85 km) |
