| Roanoke to Oak Grove (South Carolina) | 237.61 mi (382.39 km) |
| Roanoke to Oak Harbor (Washington) | 2,260.19 mi (3,637.42 km) |
| Roanoke to Oak Hills (Oregon) | 2,265.47 mi (3,645.92 km) |
| Roanoke to Oak Lawn (Illinois) | 516.00 mi (830.43 km) |
| Roanoke to Oak Park (California) | 2,171.94 mi (3,495.39 km) |
| Roanoke to Oak Park (Illinois) | 524.34 mi (843.84 km) |
| Roanoke to Oak Park (Michigan) | 396.96 mi (638.85 km) |
| Roanoke to Oak Ridge (Florida) | 614.26 mi (988.55 km) |
| Roanoke to Oak Ridge (New Jersey) | 390.84 mi (629.00 km) |
| Roanoke to Oak Ridge (Tennessee) | 256.98 mi (413.58 km) |
| Roanoke to Oakdale (California) | 2,222.79 mi (3,577.23 km) |
| Roanoke to Oakdale (Minnesota) | 859.47 mi (1,383.18 km) |
| Roanoke to Oakland (California) | 2,295.49 mi (3,694.23 km) |
| Roanoke to Oakland (New Jersey) | 401.17 mi (645.61 km) |
| Roanoke to Oakland Park (Florida) | 767.05 mi (1,234.46 km) |
