| Sirnak to Olympia Heights (Florida) | 6,705.37 mi (10,791.26 km) |
| Sirnak to Omaha (Nebraska) | 6,396.36 mi (10,293.95 km) |
| Sirnak to On Top of the World Designated Place (Florida) | 6,609.78 mi (10,637.42 km) |
| Sirnak to Onalaska (Wisconsin) | 6,109.34 mi (9,832.04 km) |
| Sirnak to Oneida (New York) | 5,650.77 mi (9,094.03 km) |
| Sirnak to Oneonta (New York) | 5,659.67 mi (9,108.36 km) |
| Sirnak to Ontario (California) | 7,329.27 mi (11,795.32 km) |
| Sirnak to Ontario (Oregon) | 6,657.43 mi (10,714.10 km) |
| Sirnak to Opa-locka (Florida) | 6,692.88 mi (10,771.16 km) |
| Sirnak to Opelika (Alabama) | 6,539.03 mi (10,523.55 km) |
| Sirnak to Opelousas (Louisiana) | 6,894.17 mi (11,095.10 km) |
| Sirnak to Orange (California) | 7,348.35 mi (11,826.02 km) |
| Sirnak to Orange (Texas) | 6,973.81 mi (11,223.27 km) |
| Sirnak to Orange City (Florida) | 6,578.94 mi (10,587.78 km) |
| Sirnak to Orangeburg (South Carolina) | 6,326.53 mi (10,181.57 km) |
