| Formia to Oak Harbor (Washington) | 5,697.48 mi (9,169.20 km) |
| Formia to Oak Hills (Oregon) | 5,865.01 mi (9,438.82 km) |
| Formia to Oak Lawn (Illinois) | 4,894.30 mi (7,876.61 km) |
| Formia to Oak Park (California) | 6,410.67 mi (10,316.98 km) |
| Formia to Oak Park (Illinois) | 4,888.30 mi (7,866.96 km) |
| Formia to Oak Park (Michigan) | 4,676.77 mi (7,526.54 km) |
| Formia to Oak Ridge (Florida) | 5,191.63 mi (8,355.12 km) |
| Formia to Oak Ridge (New Jersey) | 4,363.24 mi (7,021.96 km) |
| Formia to Oak Ridge (Tennessee) | 4,997.17 mi (8,042.17 km) |
| Formia to Oakdale (California) | 6,267.18 mi (10,086.06 km) |
| Formia to Oakdale (Minnesota) | 4,951.55 mi (7,968.75 km) |
| Formia to Oakland (California) | 6,305.17 mi (10,147.19 km) |
| Formia to Oakland (New Jersey) | 4,352.02 mi (7,003.90 km) |
| Formia to Oakland Park (Florida) | 5,231.88 mi (8,419.90 km) |
| Formia to Oakleaf Plantation (Florida) | 5,137.17 mi (8,267.47 km) |
