| Rorschach to Oak Harbor (Washington) | 5,224.46 mi (8,407.95 km) |
| Rorschach to Oak Hills (Oregon) | 5,392.83 mi (8,678.92 km) |
| Rorschach to Oak Lawn (Illinois) | 4,473.55 mi (7,199.49 km) |
| Rorschach to Oak Park (California) | 5,950.22 mi (9,575.95 km) |
| Rorschach to Oak Park (Illinois) | 4,466.94 mi (7,188.85 km) |
| Rorschach to Oak Park (Michigan) | 4,262.73 mi (6,860.20 km) |
| Rorschach to Oak Ridge (Florida) | 4,837.49 mi (7,785.18 km) |
| Rorschach to Oak Ridge (New Jersey) | 3,973.88 mi (6,395.35 km) |
| Rorschach to Oak Ridge (Tennessee) | 4,604.19 mi (7,409.73 km) |
| Rorschach to Oakdale (California) | 5,800.95 mi (9,335.73 km) |
| Rorschach to Oakdale (Minnesota) | 4,512.30 mi (7,261.84 km) |
| Rorschach to Oakland (California) | 5,837.60 mi (9,394.71 km) |
| Rorschach to Oakland (New Jersey) | 3,963.27 mi (6,378.27 km) |
| Rorschach to Oakland Park (Florida) | 4,892.25 mi (7,873.31 km) |
| Rorschach to Oakleaf Plantation (Florida) | 4,774.43 mi (7,683.70 km) |
