| Summerfield to Popovo | 5,000.41 mi (8,047.39 km) |
| Summerfield to Provadia | 5,055.24 mi (8,135.63 km) |
| Summerfield to Radnevo | 5,032.36 mi (8,098.81 km) |
| Summerfield to Radomir | 4,899.91 mi (7,885.64 km) |
| Summerfield to Rakitovo | 4,969.79 mi (7,998.11 km) |
| Summerfield to Rakovski | 4,993.43 mi (8,036.15 km) |
| Summerfield to Razgrad | 5,004.02 mi (8,053.20 km) |
| Summerfield to Razlog | 4,948.37 mi (7,963.63 km) |
| Summerfield to Ruse | 4,969.52 mi (7,997.67 km) |
| Summerfield to Samokov | 4,933.53 mi (7,939.75 km) |
| Summerfield to Sandanski | 4,953.57 mi (7,972.00 km) |
| Summerfield to Sevlievo | 4,968.89 mi (7,996.66 km) |
| Summerfield to Shumen | 5,031.13 mi (8,096.82 km) |
| Summerfield to Silistra | 5,008.83 mi (8,060.93 km) |
| Summerfield to Sliven | 5,032.42 mi (8,098.90 km) |
