| Oakham to Olympia Heights (Florida) | 4,398.49 mi (7,078.68 km) |
| Oakham to Omaha (Nebraska) | 4,226.68 mi (6,802.18 km) |
| Oakham to On Top of the World Designated Place (Florida) | 4,305.55 mi (6,929.11 km) |
| Oakham to Onalaska (Wisconsin) | 3,924.17 mi (6,315.35 km) |
| Oakham to Oneida (New York) | 3,374.07 mi (5,430.03 km) |
| Oakham to Oneonta (New York) | 3,377.69 mi (5,435.86 km) |
| Oakham to Ontario (California) | 5,348.54 mi (8,607.65 km) |
| Oakham to Ontario (Oregon) | 4,761.24 mi (7,662.48 km) |
| Oakham to Opa-locka (Florida) | 4,385.96 mi (7,058.53 km) |
| Oakham to Opelika (Alabama) | 4,250.94 mi (6,841.22 km) |
| Oakham to Opelousas (Louisiana) | 4,625.58 mi (7,444.15 km) |
| Oakham to Orange (California) | 5,368.93 mi (8,640.46 km) |
| Oakham to Orange (Texas) | 4,712.23 mi (7,583.60 km) |
| Oakham to Orange City (Florida) | 4,273.33 mi (6,877.27 km) |
| Oakham to Orangeburg (South Carolina) | 4,028.25 mi (6,482.84 km) |
