| Rock Hill to Oakleaf Plantation (Florida) | 333.10 mi (536.08 km) |
| Rock Hill to Oakley (California) | 2,251.77 mi (3,623.88 km) |
| Rock Hill to Oakton (Virginia) | 341.49 mi (549.58 km) |
| Rock Hill to Oakville (Missouri) | 568.76 mi (915.33 km) |
| Rock Hill to Oatfield (Oregon) | 2,281.92 mi (3,672.40 km) |
| Rock Hill to Ocala (Florida) | 403.64 mi (649.60 km) |
| Rock Hill to Ocean Acres (New Jersey) | 496.99 mi (799.83 km) |
| Rock Hill to Ocean City (New Jersey) | 463.02 mi (745.16 km) |
| Rock Hill to Ocean Pines (Maryland) | 403.15 mi (648.81 km) |
| Rock Hill to Ocean Pointe (Hawaii) | 4,675.68 mi (7,524.78 km) |
| Rock Hill to Ocean Springs (Mississippi) | 549.15 mi (883.78 km) |
| Rock Hill to Oceanside (California) | 2,068.39 mi (3,328.75 km) |
| Rock Hill to Oceanside (New York) | 562.94 mi (905.96 km) |
| Rock Hill to Ocoee (Florida) | 440.58 mi (709.04 km) |
| Rock Hill to Oconomowoc (Wisconsin) | 691.12 mi (1,112.25 km) |
