| Amurrio to Olympia Heights (Florida) | 4,412.10 mi (7,100.58 km) |
| Amurrio to Omaha (Nebraska) | 4,498.17 mi (7,239.11 km) |
| Amurrio to On Top of the World Designated Place (Florida) | 4,367.18 mi (7,028.29 km) |
| Amurrio to Onalaska (Wisconsin) | 4,192.29 mi (6,746.84 km) |
| Amurrio to Oneida (New York) | 3,544.08 mi (5,703.64 km) |
| Amurrio to Oneonta (New York) | 3,536.43 mi (5,691.33 km) |
| Amurrio to Ontario (California) | 5,702.22 mi (9,176.83 km) |
| Amurrio to Ontario (Oregon) | 5,173.24 mi (8,325.53 km) |
| Amurrio to Opa-locka (Florida) | 4,400.59 mi (7,082.07 km) |
| Amurrio to Opelika (Alabama) | 4,370.41 mi (7,033.50 km) |
| Amurrio to Opelousas (Louisiana) | 4,773.89 mi (7,682.84 km) |
| Amurrio to Orange (California) | 5,722.57 mi (9,209.59 km) |
| Amurrio to Orange (Texas) | 4,869.32 mi (7,836.42 km) |
| Amurrio to Orange City (Florida) | 4,325.61 mi (6,961.40 km) |
| Amurrio to Orangeburg (South Carolina) | 4,123.54 mi (6,636.20 km) |
