| Petrovec to Oak Harbor (Washington) | 5,832.35 mi (9,386.27 km) |
| Petrovec to Oak Hills (Oregon) | 6,008.09 mi (9,669.09 km) |
| Petrovec to Oak Lawn (Illinois) | 5,174.80 mi (8,328.04 km) |
| Petrovec to Oak Park (California) | 6,608.92 mi (10,636.02 km) |
| Petrovec to Oak Park (Illinois) | 5,167.97 mi (8,317.04 km) |
| Petrovec to Oak Park (Michigan) | 4,966.16 mi (7,992.26 km) |
| Petrovec to Oak Ridge (Florida) | 5,537.40 mi (8,911.58 km) |
| Petrovec to Oak Ridge (New Jersey) | 4,679.53 mi (7,530.98 km) |
| Petrovec to Oak Ridge (Tennessee) | 5,309.96 mi (8,545.55 km) |
| Petrovec to Oakdale (California) | 6,444.28 mi (10,371.07 km) |
| Petrovec to Oakdale (Minnesota) | 5,203.16 mi (8,373.67 km) |
| Petrovec to Oakland (California) | 6,475.95 mi (10,422.04 km) |
| Petrovec to Oakland (New Jersey) | 4,668.89 mi (7,513.85 km) |
| Petrovec to Oakland Park (Florida) | 5,587.48 mi (8,992.18 km) |
| Petrovec to Oakleaf Plantation (Florida) | 5,476.53 mi (8,813.62 km) |
