| Bassum to Olympia Heights (Florida) | 4,782.46 mi (7,696.63 km) |
| Bassum to Omaha (Nebraska) | 4,546.61 mi (7,317.07 km) |
| Bassum to On Top of the World Designated Place (Florida) | 4,682.25 mi (7,535.35 km) |
| Bassum to Onalaska (Wisconsin) | 4,247.82 mi (6,836.20 km) |
| Bassum to Oneida (New York) | 3,732.43 mi (6,006.77 km) |
| Bassum to Oneonta (New York) | 3,738.83 mi (6,017.06 km) |
| Bassum to Ontario (California) | 5,623.69 mi (9,050.45 km) |
| Bassum to Ontario (Oregon) | 5,009.99 mi (8,062.80 km) |
| Bassum to Opa-locka (Florida) | 4,769.83 mi (7,676.30 km) |
| Bassum to Opelika (Alabama) | 4,616.21 mi (7,429.07 km) |
| Bassum to Opelousas (Louisiana) | 4,981.93 mi (8,017.64 km) |
| Bassum to Orange (California) | 5,643.93 mi (9,083.02 km) |
| Bassum to Orange (Texas) | 5,065.80 mi (8,152.62 km) |
| Bassum to Orange City (Florida) | 4,651.77 mi (7,486.31 km) |
| Bassum to Orangeburg (South Carolina) | 4,399.75 mi (7,080.72 km) |
