| Backa Topola to Olympia Heights (Florida) | 5,411.07 mi (8,708.28 km) |
| Backa Topola to Omaha (Nebraska) | 5,234.99 mi (8,424.90 km) |
| Backa Topola to On Top of the World Designated Place (Florida) | 5,327.92 mi (8,574.46 km) |
| Backa Topola to Onalaska (Wisconsin) | 4,935.43 mi (7,942.80 km) |
| Backa Topola to Oneida (New York) | 4,402.49 mi (7,085.12 km) |
| Backa Topola to Oneonta (New York) | 4,406.29 mi (7,091.24 km) |
| Backa Topola to Ontario (California) | 6,307.93 mi (10,151.63 km) |
| Backa Topola to Ontario (Oregon) | 5,685.45 mi (9,149.85 km) |
| Backa Topola to Opa-locka (Florida) | 5,398.77 mi (8,688.47 km) |
| Backa Topola to Opelika (Alabama) | 5,279.14 mi (8,495.95 km) |
| Backa Topola to Opelousas (Louisiana) | 5,653.92 mi (9,099.10 km) |
| Backa Topola to Orange (California) | 6,328.10 mi (10,184.10 km) |
| Backa Topola to Orange (Texas) | 5,740.09 mi (9,237.79 km) |
| Backa Topola to Orange City (Florida) | 5,294.02 mi (8,519.90 km) |
| Backa Topola to Orangeburg (South Carolina) | 5,054.45 mi (8,134.34 km) |
