| Lewisville to Popovo | 6,058.31 mi (9,749.90 km) |
| Lewisville to Provadia | 6,108.64 mi (9,830.90 km) |
| Lewisville to Radnevo | 6,099.22 mi (9,815.75 km) |
| Lewisville to Radomir | 5,978.22 mi (9,621.02 km) |
| Lewisville to Rakitovo | 6,047.17 mi (9,731.98 km) |
| Lewisville to Rakovski | 6,064.77 mi (9,760.30 km) |
| Lewisville to Razgrad | 6,059.23 mi (9,751.39 km) |
| Lewisville to Razlog | 6,029.11 mi (9,702.91 km) |
| Lewisville to Ruse | 6,025.23 mi (9,696.67 km) |
| Lewisville to Samokov | 6,010.74 mi (9,673.35 km) |
| Lewisville to Sandanski | 6,037.24 mi (9,716.00 km) |
| Lewisville to Sevlievo | 6,034.31 mi (9,711.29 km) |
| Lewisville to Shumen | 6,086.20 mi (9,794.79 km) |
| Lewisville to Silistra | 6,056.12 mi (9,746.38 km) |
| Lewisville to Sliven | 6,094.68 mi (9,808.45 km) |
