| Lufkin to Popovo | 6,070.82 mi (9,770.04 km) |
| Lufkin to Provadia | 6,122.68 mi (9,853.50 km) |
| Lufkin to Radnevo | 6,108.92 mi (9,831.36 km) |
| Lufkin to Radomir | 5,983.84 mi (9,630.06 km) |
| Lufkin to Rakitovo | 6,053.24 mi (9,741.76 km) |
| Lufkin to Rakovski | 6,072.92 mi (9,773.42 km) |
| Lufkin to Razgrad | 6,072.60 mi (9,772.90 km) |
| Lufkin to Razlog | 6,033.99 mi (9,710.76 km) |
| Lufkin to Ruse | 6,038.36 mi (9,717.80 km) |
| Lufkin to Samokov | 6,016.80 mi (9,683.10 km) |
| Lufkin to Sandanski | 6,041.11 mi (9,722.23 km) |
| Lufkin to Sevlievo | 6,044.35 mi (9,727.45 km) |
| Lufkin to Shumen | 6,099.67 mi (9,816.46 km) |
| Lufkin to Silistra | 6,071.93 mi (9,771.83 km) |
| Lufkin to Sliven | 6,105.88 mi (9,826.46 km) |
