| Igdir to Olympia Heights (Florida) | 6,661.31 mi (10,720.35 km) |
| Igdir to Omaha (Nebraska) | 6,293.71 mi (10,128.75 km) |
| Igdir to On Top of the World Designated Place (Florida) | 6,554.66 mi (10,548.71 km) |
| Igdir to Onalaska (Wisconsin) | 6,011.13 mi (9,673.98 km) |
| Igdir to Oneida (New York) | 5,579.55 mi (8,979.41 km) |
| Igdir to Oneonta (New York) | 5,590.73 mi (8,997.41 km) |
| Igdir to Ontario (California) | 7,194.16 mi (11,577.88 km) |
| Igdir to Ontario (Oregon) | 6,517.46 mi (10,488.85 km) |
| Igdir to Opa-locka (Florida) | 6,648.64 mi (10,699.95 km) |
| Igdir to Opelika (Alabama) | 6,470.68 mi (10,413.56 km) |
| Igdir to Opelousas (Louisiana) | 6,815.61 mi (10,968.67 km) |
| Igdir to Orange (California) | 7,212.98 mi (11,608.17 km) |
| Igdir to Orange (Texas) | 6,892.29 mi (11,092.07 km) |
| Igdir to Orange City (Florida) | 6,526.26 mi (10,503.00 km) |
| Igdir to Orangeburg (South Carolina) | 6,265.57 mi (10,083.46 km) |
