| Sant Just Desvern to Olympia Heights (Florida) | 4,691.64 mi (7,550.47 km) |
| Sant Just Desvern to Omaha (Nebraska) | 4,776.38 mi (7,686.83 km) |
| Sant Just Desvern to On Top of the World Designated Place (Florida) | 4,649.66 mi (7,482.91 km) |
| Sant Just Desvern to Onalaska (Wisconsin) | 4,470.40 mi (7,194.41 km) |
| Sant Just Desvern to Oneida (New York) | 3,827.42 mi (6,159.63 km) |
| Sant Just Desvern to Oneonta (New York) | 3,820.08 mi (6,147.83 km) |
| Sant Just Desvern to Ontario (California) | 5,972.07 mi (9,611.12 km) |
| Sant Just Desvern to Ontario (Oregon) | 5,431.45 mi (8,741.07 km) |
| Sant Just Desvern to Opa-locka (Florida) | 4,680.23 mi (7,532.10 km) |
| Sant Just Desvern to Opelika (Alabama) | 4,654.49 mi (7,490.68 km) |
| Sant Just Desvern to Opelousas (Louisiana) | 5,058.03 mi (8,140.12 km) |
| Sant Just Desvern to Orange (California) | 5,992.46 mi (9,643.94 km) |
| Sant Just Desvern to Orange (Texas) | 5,153.42 mi (8,293.63 km) |
| Sant Just Desvern to Orange City (Florida) | 4,607.69 mi (7,415.36 km) |
| Sant Just Desvern to Orangeburg (South Carolina) | 4,407.31 mi (7,092.89 km) |
