| Streetsboro to Popovo | 5,064.50 mi (8,150.52 km) |
| Streetsboro to Provadia | 5,117.13 mi (8,235.23 km) |
| Streetsboro to Radnevo | 5,101.28 mi (8,209.71 km) |
| Streetsboro to Radomir | 4,974.82 mi (8,006.19 km) |
| Streetsboro to Rakitovo | 5,044.33 mi (8,118.06 km) |
| Streetsboro to Rakovski | 5,064.68 mi (8,150.82 km) |
| Streetsboro to Razgrad | 5,066.72 mi (8,154.10 km) |
| Streetsboro to Razlog | 5,024.75 mi (8,086.55 km) |
| Streetsboro to Ruse | 5,032.39 mi (8,098.84 km) |
| Streetsboro to Samokov | 5,007.89 mi (8,059.42 km) |
| Streetsboro to Sandanski | 5,031.62 mi (8,097.61 km) |
| Streetsboro to Sevlievo | 5,036.88 mi (8,106.08 km) |
| Streetsboro to Shumen | 5,093.82 mi (8,197.71 km) |
| Streetsboro to Silistra | 5,067.47 mi (8,155.31 km) |
| Streetsboro to Sliven | 5,098.88 mi (8,205.86 km) |
