| Ikast to Olympia Heights (Florida) | 4,739.81 mi (7,627.98 km) |
| Ikast to Omaha (Nebraska) | 4,424.63 mi (7,120.75 km) |
| Ikast to On Top of the World Designated Place (Florida) | 4,625.13 mi (7,443.43 km) |
| Ikast to Onalaska (Wisconsin) | 4,129.91 mi (6,646.45 km) |
| Ikast to Oneida (New York) | 3,651.56 mi (5,876.62 km) |
| Ikast to Oneonta (New York) | 3,661.43 mi (5,892.51 km) |
| Ikast to Ontario (California) | 5,467.86 mi (8,799.67 km) |
| Ikast to Ontario (Oregon) | 4,841.50 mi (7,791.64 km) |
| Ikast to Opa-locka (Florida) | 4,726.97 mi (7,607.32 km) |
| Ikast to Opelika (Alabama) | 4,541.32 mi (7,308.55 km) |
| Ikast to Opelousas (Louisiana) | 4,894.41 mi (7,876.80 km) |
| Ikast to Orange (California) | 5,487.96 mi (8,832.02 km) |
| Ikast to Orange (Texas) | 4,974.75 mi (8,006.08 km) |
| Ikast to Orange City (Florida) | 4,597.94 mi (7,399.67 km) |
| Ikast to Orangeburg (South Carolina) | 4,334.74 mi (6,976.09 km) |
