| Sigmaringen to Oak Harbor (Washington) | 5,180.91 mi (8,337.87 km) |
| Sigmaringen to Oak Hills (Oregon) | 5,349.54 mi (8,609.25 km) |
| Sigmaringen to Oak Lawn (Illinois) | 4,438.27 mi (7,142.71 km) |
| Sigmaringen to Oak Park (California) | 5,909.17 mi (9,509.88 km) |
| Sigmaringen to Oak Park (Illinois) | 4,431.58 mi (7,131.94 km) |
| Sigmaringen to Oak Park (Michigan) | 4,228.38 mi (6,804.91 km) |
| Sigmaringen to Oak Ridge (Florida) | 4,810.13 mi (7,741.16 km) |
| Sigmaringen to Oak Ridge (New Jersey) | 3,942.73 mi (6,345.21 km) |
| Sigmaringen to Oak Ridge (Tennessee) | 4,572.35 mi (7,358.49 km) |
| Sigmaringen to Oakdale (California) | 5,758.93 mi (9,268.10 km) |
| Sigmaringen to Oakdale (Minnesota) | 4,474.53 mi (7,201.06 km) |
| Sigmaringen to Oakland (California) | 5,795.32 mi (9,326.67 km) |
| Sigmaringen to Oakland (New Jersey) | 3,932.20 mi (6,328.26 km) |
| Sigmaringen to Oakland Park (Florida) | 4,866.52 mi (7,831.90 km) |
| Sigmaringen to Oakleaf Plantation (Florida) | 4,746.11 mi (7,638.13 km) |
