| Tucson Estates to Popovo | 6,563.92 mi (10,563.61 km) |
| Tucson Estates to Provadia | 6,607.76 mi (10,634.16 km) |
| Tucson Estates to Radnevo | 6,614.37 mi (10,644.80 km) |
| Tucson Estates to Radomir | 6,510.00 mi (10,476.83 km) |
| Tucson Estates to Rakitovo | 6,576.21 mi (10,583.39 km) |
| Tucson Estates to Rakovski | 6,586.11 mi (10,599.32 km) |
| Tucson Estates to Razgrad | 6,561.71 mi (10,560.05 km) |
| Tucson Estates to Razlog | 6,562.65 mi (10,561.57 km) |
| Tucson Estates to Ruse | 6,529.15 mi (10,507.66 km) |
| Tucson Estates to Samokov | 6,540.42 mi (10,525.79 km) |
| Tucson Estates to Sandanski | 6,574.21 mi (10,580.17 km) |
| Tucson Estates to Sevlievo | 6,549.35 mi (10,540.16 km) |
| Tucson Estates to Shumen | 6,587.83 mi (10,602.08 km) |
| Tucson Estates to Silistra | 6,549.59 mi (10,540.54 km) |
| Tucson Estates to Sliven | 6,604.51 mi (10,628.93 km) |
