| Westlake to Popovo | 5,076.20 mi (8,169.35 km) |
| Westlake to Provadia | 5,128.57 mi (8,253.63 km) |
| Westlake to Radnevo | 5,113.51 mi (8,229.40 km) |
| Westlake to Radomir | 4,987.77 mi (8,027.04 km) |
| Westlake to Rakitovo | 5,057.21 mi (8,138.80 km) |
| Westlake to Rakovski | 5,077.19 mi (8,170.95 km) |
| Westlake to Razgrad | 5,078.26 mi (8,172.67 km) |
| Westlake to Razlog | 5,037.84 mi (8,107.62 km) |
| Westlake to Ruse | 5,043.96 mi (8,117.47 km) |
| Westlake to Samokov | 5,020.77 mi (8,080.15 km) |
| Westlake to Sandanski | 5,044.91 mi (8,118.99 km) |
| Westlake to Sevlievo | 5,049.04 mi (8,125.64 km) |
| Westlake to Shumen | 5,105.36 mi (8,216.28 km) |
| Westlake to Silistra | 5,078.56 mi (8,173.15 km) |
| Westlake to Sliven | 5,110.84 mi (8,225.11 km) |
