| Fort Oglethorpe to Popovo | 5,522.95 mi (8,888.34 km) |
| Fort Oglethorpe to Provadia | 5,576.82 mi (8,975.03 km) |
| Fort Oglethorpe to Radnevo | 5,557.02 mi (8,943.15 km) |
| Fort Oglethorpe to Radomir | 5,426.87 mi (8,733.71 km) |
| Fort Oglethorpe to Rakitovo | 5,496.66 mi (8,846.02 km) |
| Fort Oglethorpe to Rakovski | 5,519.02 mi (8,882.00 km) |
| Fort Oglethorpe to Razgrad | 5,525.94 mi (8,893.14 km) |
| Fort Oglethorpe to Razlog | 5,475.92 mi (8,812.64 km) |
| Fort Oglethorpe to Ruse | 5,491.49 mi (8,837.70 km) |
| Fort Oglethorpe to Samokov | 5,460.31 mi (8,787.51 km) |
| Fort Oglethorpe to Sandanski | 5,481.73 mi (8,822.00 km) |
| Fort Oglethorpe to Sevlievo | 5,493.12 mi (8,840.32 km) |
| Fort Oglethorpe to Shumen | 5,553.06 mi (8,936.79 km) |
| Fort Oglethorpe to Silistra | 5,528.85 mi (8,897.82 km) |
| Fort Oglethorpe to Sliven | 5,556.03 mi (8,941.57 km) |
