| Olten to Olympia Heights (Florida) | 4,853.47 mi (7,810.91 km) |
| Olten to Omaha (Nebraska) | 4,750.86 mi (7,645.77 km) |
| Olten to On Top of the World Designated Place (Florida) | 4,778.15 mi (7,689.69 km) |
| Olten to Onalaska (Wisconsin) | 4,447.33 mi (7,157.29 km) |
| Olten to Oneida (New York) | 3,875.76 mi (6,237.43 km) |
| Olten to Oneonta (New York) | 3,876.42 mi (6,238.50 km) |
| Olten to Ontario (California) | 5,878.98 mi (9,461.30 km) |
| Olten to Ontario (Oregon) | 5,289.04 mi (8,511.89 km) |
| Olten to Opa-locka (Florida) | 4,841.30 mi (7,791.32 km) |
| Olten to Opelika (Alabama) | 4,742.14 mi (7,631.74 km) |
| Olten to Opelousas (Louisiana) | 5,126.16 mi (8,249.76 km) |
| Olten to Orange (California) | 5,899.36 mi (9,494.11 km) |
| Olten to Orange (Texas) | 5,215.35 mi (8,393.30 km) |
| Olten to Orange City (Florida) | 4,742.46 mi (7,632.26 km) |
| Olten to Orangeburg (South Carolina) | 4,511.07 mi (7,259.86 km) |
