| Saddlebrooke to Popovo | 6,533.91 mi (10,515.31 km) |
| Saddlebrooke to Provadia | 6,577.74 mi (10,585.86 km) |
| Saddlebrooke to Radnevo | 6,584.36 mi (10,596.51 km) |
| Saddlebrooke to Radomir | 6,480.02 mi (10,428.58 km) |
| Saddlebrooke to Rakitovo | 6,546.22 mi (10,535.13 km) |
| Saddlebrooke to Rakovski | 6,556.11 mi (10,551.04 km) |
| Saddlebrooke to Razgrad | 6,531.70 mi (10,511.75 km) |
| Saddlebrooke to Razlog | 6,532.67 mi (10,513.32 km) |
| Saddlebrooke to Ruse | 6,499.14 mi (10,459.36 km) |
| Saddlebrooke to Samokov | 6,510.43 mi (10,477.53 km) |
| Saddlebrooke to Sandanski | 6,544.24 mi (10,531.94 km) |
| Saddlebrooke to Sevlievo | 6,519.34 mi (10,491.86 km) |
| Saddlebrooke to Shumen | 6,557.81 mi (10,553.78 km) |
| Saddlebrooke to Silistra | 6,519.57 mi (10,492.24 km) |
| Saddlebrooke to Sliven | 6,574.50 mi (10,580.63 km) |
