| Elkridge to Popovo | 4,982.04 mi (8,017.82 km) |
| Elkridge to Provadia | 5,036.79 mi (8,105.93 km) |
| Elkridge to Radnevo | 5,014.17 mi (8,069.53 km) |
| Elkridge to Radomir | 4,881.94 mi (7,856.73 km) |
| Elkridge to Rakitovo | 4,951.82 mi (7,969.19 km) |
| Elkridge to Rakovski | 4,975.33 mi (8,007.02 km) |
| Elkridge to Razgrad | 4,985.60 mi (8,023.54 km) |
| Elkridge to Razlog | 4,930.47 mi (7,934.83 km) |
| Elkridge to Ruse | 4,951.09 mi (7,968.02 km) |
| Elkridge to Samokov | 4,915.55 mi (7,910.81 km) |
| Elkridge to Sandanski | 4,935.74 mi (7,943.30 km) |
| Elkridge to Sevlievo | 4,950.66 mi (7,967.32 km) |
| Elkridge to Shumen | 5,012.71 mi (8,067.17 km) |
| Elkridge to Silistra | 4,990.25 mi (8,031.04 km) |
| Elkridge to Sliven | 5,014.14 mi (8,069.48 km) |
