| Manlleu to Olympia Heights (Florida) | 4,690.70 mi (7,548.96 km) |
| Manlleu to Omaha (Nebraska) | 4,759.21 mi (7,659.21 km) |
| Manlleu to On Top of the World Designated Place (Florida) | 4,645.62 mi (7,476.40 km) |
| Manlleu to Onalaska (Wisconsin) | 4,453.21 mi (7,166.75 km) |
| Manlleu to Oneida (New York) | 3,815.64 mi (6,140.68 km) |
| Manlleu to Oneonta (New York) | 3,808.98 mi (6,129.96 km) |
| Manlleu to Ontario (California) | 5,950.29 mi (9,576.07 km) |
| Manlleu to Ontario (Oregon) | 5,405.64 mi (8,699.54 km) |
| Manlleu to Opa-locka (Florida) | 4,679.21 mi (7,530.46 km) |
| Manlleu to Opelika (Alabama) | 4,646.79 mi (7,478.29 km) |
| Manlleu to Opelousas (Louisiana) | 5,048.91 mi (8,125.44 km) |
| Manlleu to Orange (California) | 5,970.69 mi (9,608.90 km) |
| Manlleu to Orange (Texas) | 5,143.83 mi (8,278.19 km) |
| Manlleu to Orange City (Florida) | 4,604.19 mi (7,409.72 km) |
| Manlleu to Orangeburg (South Carolina) | 4,400.86 mi (7,082.50 km) |
