| Rorschach to Oakley (California) | 5,811.08 mi (9,352.03 km) |
| Rorschach to Oakton (Virginia) | 4,182.16 mi (6,730.53 km) |
| Rorschach to Oakville (Missouri) | 4,726.94 mi (7,607.27 km) |
| Rorschach to Oatfield (Oregon) | 5,394.30 mi (8,681.29 km) |
| Rorschach to Ocala (Florida) | 4,835.59 mi (7,782.14 km) |
| Rorschach to Ocean Acres (New Jersey) | 4,018.98 mi (6,467.93 km) |
| Rorschach to Ocean City (New Jersey) | 4,052.66 mi (6,522.13 km) |
| Rorschach to Ocean Pines (Maryland) | 4,113.60 mi (6,620.20 km) |
| Rorschach to Ocean Pointe (Hawaii) | 7,621.56 mi (12,265.72 km) |
| Rorschach to Ocean Springs (Mississippi) | 5,057.94 mi (8,139.97 km) |
| Rorschach to Oceanside (California) | 5,961.14 mi (9,593.53 km) |
| Rorschach to Oceanside (New York) | 3,954.64 mi (6,364.38 km) |
| Rorschach to Ocoee (Florida) | 4,837.43 mi (7,785.10 km) |
| Rorschach to Oconomowoc (Wisconsin) | 4,437.52 mi (7,141.50 km) |
| Rorschach to Odenton (Maryland) | 4,149.08 mi (6,677.29 km) |
