| Varna to Odessa (Texas) | 6,370.01 mi (10,251.55 km) |
| Varna to Ogden (Utah) | 6,091.17 mi (9,802.79 km) |
| Varna to Oildale (California) | 6,618.00 mi (10,650.65 km) |
| Varna to Ojus (Florida) | 5,836.25 mi (9,392.53 km) |
| Varna to Okemos (Michigan) | 5,173.25 mi (8,325.54 km) |
| Varna to Oklahoma City (Oklahoma) | 6,007.52 mi (9,668.17 km) |
| Varna to Okmulgee (Oklahoma) | 5,948.60 mi (9,573.35 km) |
| Varna to Olathe (Kansas) | 5,729.96 mi (9,221.48 km) |
| Varna to Old Jamestown (Missouri) | 5,577.50 mi (8,976.12 km) |
| Varna to Oldsmar (Florida) | 5,838.33 mi (9,395.88 km) |
| Varna to Olean (New York) | 4,984.48 mi (8,021.75 km) |
| Varna to Olive Branch (Mississippi) | 5,765.47 mi (9,278.62 km) |
| Varna to Olivehurst (California) | 6,438.77 mi (10,362.20 km) |
| Varna to Olney (Maryland) | 5,069.65 mi (8,158.81 km) |
| Varna to Olympia (Washington) | 5,950.71 mi (9,576.74 km) |
