| Sesimbra to Olympia Heights (Florida) | 4,160.24 mi (6,695.26 km) |
| Sesimbra to Omaha (Nebraska) | 4,408.88 mi (7,095.41 km) |
| Sesimbra to On Top of the World Designated Place (Florida) | 4,143.91 mi (6,668.98 km) |
| Sesimbra to Onalaska (Wisconsin) | 4,106.48 mi (6,608.74 km) |
| Sesimbra to Oneida (New York) | 3,405.83 mi (5,481.16 km) |
| Sesimbra to Oneonta (New York) | 3,390.97 mi (5,457.25 km) |
| Sesimbra to Ontario (California) | 5,654.27 mi (9,099.67 km) |
| Sesimbra to Ontario (Oregon) | 5,180.30 mi (8,336.88 km) |
| Sesimbra to Opa-locka (Florida) | 4,149.49 mi (6,677.96 km) |
| Sesimbra to Opelika (Alabama) | 4,182.27 mi (6,730.71 km) |
| Sesimbra to Opelousas (Louisiana) | 4,596.96 mi (7,398.09 km) |
| Sesimbra to Orange (California) | 5,674.30 mi (9,131.90 km) |
| Sesimbra to Orange (Texas) | 4,696.42 mi (7,558.15 km) |
| Sesimbra to Orange City (Florida) | 4,097.53 mi (6,594.33 km) |
| Sesimbra to Orangeburg (South Carolina) | 3,924.99 mi (6,316.67 km) |
