| Texas City to Popovo | 6,182.78 mi (9,950.23 km) |
| Texas City to Provadia | 6,235.22 mi (10,034.62 km) |
| Texas City to Radnevo | 6,219.73 mi (10,009.69 km) |
| Texas City to Radomir | 6,093.02 mi (9,805.77 km) |
| Texas City to Rakitovo | 6,162.57 mi (9,917.70 km) |
| Texas City to Rakovski | 6,183.10 mi (9,950.74 km) |
| Texas City to Razgrad | 6,184.90 mi (9,953.63 km) |
| Texas City to Razlog | 6,142.82 mi (9,885.92 km) |
| Texas City to Ruse | 6,150.59 mi (9,898.42 km) |
| Texas City to Samokov | 6,126.14 mi (9,859.07 km) |
| Texas City to Sandanski | 6,149.51 mi (9,896.68 km) |
| Texas City to Sevlievo | 6,155.33 mi (9,906.05 km) |
| Texas City to Shumen | 6,211.99 mi (9,997.24 km) |
| Texas City to Silistra | 6,185.19 mi (9,954.11 km) |
| Texas City to Sliven | 6,217.29 mi (10,005.76 km) |
