| McAllen to Popovo | 6,479.66 mi (10,428.00 km) |
| McAllen to Provadia | 6,531.89 mi (10,512.06 km) |
| McAllen to Radnevo | 6,516.95 mi (10,488.02 km) |
| McAllen to Radomir | 6,390.58 mi (10,284.65 km) |
| McAllen to Rakitovo | 6,460.11 mi (10,396.55 km) |
| McAllen to Rakovski | 6,480.47 mi (10,429.31 km) |
| McAllen to Razgrad | 6,481.65 mi (10,431.21 km) |
| McAllen to Razlog | 6,440.44 mi (10,364.89 km) |
| McAllen to Ruse | 6,447.37 mi (10,376.04 km) |
| McAllen to Samokov | 6,423.68 mi (10,337.91 km) |
| McAllen to Sandanski | 6,447.19 mi (10,375.75 km) |
| McAllen to Sevlievo | 6,452.50 mi (10,384.30 km) |
| McAllen to Shumen | 6,508.74 mi (10,474.81 km) |
| McAllen to Silistra | 6,481.57 mi (10,431.08 km) |
| McAllen to Sliven | 6,514.34 mi (10,483.82 km) |
