| Nacogdoches to Popovo | 6,052.32 mi (9,740.27 km) |
| Nacogdoches to Provadia | 6,104.10 mi (9,823.61 km) |
| Nacogdoches to Radnevo | 6,090.57 mi (9,801.83 km) |
| Nacogdoches to Radomir | 5,965.70 mi (9,600.87 km) |
| Nacogdoches to Rakitovo | 6,035.09 mi (9,712.53 km) |
| Nacogdoches to Rakovski | 6,054.65 mi (9,744.02 km) |
| Nacogdoches to Razgrad | 6,054.05 mi (9,743.06 km) |
| Nacogdoches to Razlog | 6,015.90 mi (9,681.65 km) |
| Nacogdoches to Ruse | 6,019.83 mi (9,687.98 km) |
| Nacogdoches to Samokov | 5,998.64 mi (9,653.88 km) |
| Nacogdoches to Sandanski | 6,023.08 mi (9,693.21 km) |
| Nacogdoches to Sevlievo | 6,025.98 mi (9,697.88 km) |
| Nacogdoches to Shumen | 6,081.12 mi (9,786.61 km) |
| Nacogdoches to Silistra | 6,053.26 mi (9,741.79 km) |
| Nacogdoches to Sliven | 6,087.45 mi (9,796.80 km) |
