| Omurtag to Oakley (California) | 6,487.77 mi (10,441.05 km) |
| Omurtag to Oakton (Virginia) | 5,036.31 mi (8,105.16 km) |
| Omurtag to Oakville (Missouri) | 5,551.80 mi (8,934.75 km) |
| Omurtag to Oatfield (Oregon) | 6,031.46 mi (9,706.70 km) |
| Omurtag to Ocala (Florida) | 5,701.86 mi (9,176.26 km) |
| Omurtag to Ocean Acres (New Jersey) | 4,876.01 mi (7,847.18 km) |
| Omurtag to Ocean City (New Jersey) | 4,910.38 mi (7,902.49 km) |
| Omurtag to Ocean Pines (Maryland) | 4,972.60 mi (8,002.63 km) |
| Omurtag to Ocean Pointe (Hawaii) | 7,977.21 mi (12,838.07 km) |
| Omurtag to Ocean Springs (Mississippi) | 5,910.53 mi (9,512.08 km) |
| Omurtag to Oceanside (California) | 6,686.78 mi (10,761.33 km) |
| Omurtag to Oceanside (New York) | 4,810.37 mi (7,741.54 km) |
| Omurtag to Ocoee (Florida) | 5,705.28 mi (9,181.76 km) |
| Omurtag to Oconomowoc (Wisconsin) | 5,249.59 mi (8,448.41 km) |
| Omurtag to Odenton (Maryland) | 5,003.83 mi (8,052.88 km) |
