| Bartlett to Popovo | 5,681.70 mi (9,143.82 km) |
| Bartlett to Provadia | 5,733.94 mi (9,227.88 km) |
| Bartlett to Radnevo | 5,719.15 mi (9,204.07 km) |
| Bartlett to Radomir | 5,593.32 mi (9,001.57 km) |
| Bartlett to Rakitovo | 5,662.78 mi (9,113.37 km) |
| Bartlett to Rakovski | 5,682.83 mi (9,145.63 km) |
| Bartlett to Razgrad | 5,683.69 mi (9,147.02 km) |
| Bartlett to Razlog | 5,643.34 mi (9,082.07 km) |
| Bartlett to Ruse | 5,649.41 mi (9,091.85 km) |
| Bartlett to Samokov | 5,626.34 mi (9,054.72 km) |
| Bartlett to Sandanski | 5,650.31 mi (9,093.30 km) |
| Bartlett to Sevlievo | 5,654.66 mi (9,100.30 km) |
| Bartlett to Shumen | 5,710.78 mi (9,190.61 km) |
| Bartlett to Silistra | 5,683.70 mi (9,147.04 km) |
| Bartlett to Sliven | 5,716.43 mi (9,199.70 km) |
