| Fort Pierce to Oak Harbor (Washington) | 2,672.18 mi (4,300.46 km) |
| Fort Pierce to Oak Hills (Oregon) | 2,631.29 mi (4,234.65 km) |
| Fort Pierce to Oak Lawn (Illinois) | 1,072.39 mi (1,725.85 km) |
| Fort Pierce to Oak Park (California) | 2,313.55 mi (3,723.31 km) |
| Fort Pierce to Oak Park (Illinois) | 1,084.04 mi (1,744.59 km) |
| Fort Pierce to Oak Park (Michigan) | 1,051.32 mi (1,691.93 km) |
| Fort Pierce to Oak Ridge (Florida) | 97.62 mi (157.11 km) |
| Fort Pierce to Oak Ridge (New Jersey) | 997.05 mi (1,604.59 km) |
| Fort Pierce to Oak Ridge (Tennessee) | 633.85 mi (1,020.07 km) |
| Fort Pierce to Oakdale (California) | 2,442.56 mi (3,930.93 km) |
| Fort Pierce to Oakdale (Minnesota) | 1,398.79 mi (2,251.14 km) |
| Fort Pierce to Oakland (California) | 2,517.30 mi (4,051.21 km) |
| Fort Pierce to Oakland (New Jersey) | 1,001.92 mi (1,612.44 km) |
| Fort Pierce to Oakland Park (Florida) | 86.99 mi (140.00 km) |
| Fort Pierce to Oakleaf Plantation (Florida) | 209.93 mi (337.86 km) |
