| Puigcerda to Olympia Heights (Florida) | 4,665.36 mi (7,508.17 km) |
| Puigcerda to Omaha (Nebraska) | 4,726.74 mi (7,606.96 km) |
| Puigcerda to On Top of the World Designated Place (Florida) | 4,618.64 mi (7,432.98 km) |
| Puigcerda to Onalaska (Wisconsin) | 4,420.75 mi (7,114.51 km) |
| Puigcerda to Oneida (New York) | 3,785.16 mi (6,091.63 km) |
| Puigcerda to Oneonta (New York) | 3,778.79 mi (6,081.37 km) |
| Puigcerda to Ontario (California) | 5,916.52 mi (9,521.72 km) |
| Puigcerda to Ontario (Oregon) | 5,371.10 mi (8,643.96 km) |
| Puigcerda to Opa-locka (Florida) | 4,653.82 mi (7,489.60 km) |
| Puigcerda to Opelika (Alabama) | 4,618.04 mi (7,432.02 km) |
| Puigcerda to Opelousas (Louisiana) | 5,019.51 mi (8,078.12 km) |
| Puigcerda to Orange (California) | 5,936.92 mi (9,554.56 km) |
| Puigcerda to Orange (Texas) | 5,114.21 mi (8,230.52 km) |
| Puigcerda to Orange City (Florida) | 4,577.49 mi (7,366.75 km) |
| Puigcerda to Orangeburg (South Carolina) | 4,372.71 mi (7,037.19 km) |
