| Delcevo to Olympia Heights (Florida) | 5,669.30 mi (9,123.86 km) |
| Delcevo to Omaha (Nebraska) | 5,536.04 mi (8,909.39 km) |
| Delcevo to On Top of the World Designated Place (Florida) | 5,596.48 mi (9,006.66 km) |
| Delcevo to Onalaska (Wisconsin) | 5,235.39 mi (8,425.54 km) |
| Delcevo to Oneida (New York) | 4,688.05 mi (7,544.68 km) |
| Delcevo to Oneonta (New York) | 4,690.13 mi (7,548.03 km) |
| Delcevo to Ontario (California) | 6,616.15 mi (10,647.67 km) |
| Delcevo to Ontario (Oregon) | 5,993.89 mi (9,646.23 km) |
| Delcevo to Opa-locka (Florida) | 5,657.22 mi (9,104.41 km) |
| Delcevo to Opelika (Alabama) | 5,558.74 mi (8,945.92 km) |
| Delcevo to Opelousas (Louisiana) | 5,939.42 mi (9,558.57 km) |
| Delcevo to Orange (California) | 6,636.34 mi (10,680.15 km) |
| Delcevo to Orange (Texas) | 6,027.25 mi (9,699.92 km) |
| Delcevo to Orange City (Florida) | 5,560.57 mi (8,948.88 km) |
| Delcevo to Orangeburg (South Carolina) | 5,329.09 mi (8,576.34 km) |
