| Shumen to Olympia Heights (Florida) | 5,810.49 mi (9,351.08 km) |
| Shumen to Omaha (Nebraska) | 5,605.34 mi (9,020.92 km) |
| Shumen to On Top of the World Designated Place (Florida) | 5,725.80 mi (9,214.78 km) |
| Shumen to Onalaska (Wisconsin) | 5,308.38 mi (8,543.01 km) |
| Shumen to Oneida (New York) | 4,793.13 mi (7,713.81 km) |
| Shumen to Oneonta (New York) | 4,798.11 mi (7,721.82 km) |
| Shumen to Ontario (California) | 6,645.07 mi (10,694.21 km) |
| Shumen to Ontario (Oregon) | 6,006.47 mi (9,666.48 km) |
| Shumen to Opa-locka (Florida) | 5,798.17 mi (9,331.26 km) |
| Shumen to Opelika (Alabama) | 5,672.96 mi (9,129.74 km) |
| Shumen to Opelousas (Louisiana) | 6,043.86 mi (9,726.66 km) |
| Shumen to Orange (California) | 6,665.04 mi (10,726.35 km) |
| Shumen to Orange (Texas) | 6,128.69 mi (9,863.17 km) |
| Shumen to Orange City (Florida) | 5,692.35 mi (9,160.95 km) |
| Shumen to Orangeburg (South Carolina) | 5,450.55 mi (8,771.81 km) |
