| Troy to Popovo | 5,066.78 mi (8,154.19 km) |
| Troy to Provadia | 5,118.29 mi (8,237.08 km) |
| Troy to Radnevo | 5,105.75 mi (8,216.92 km) |
| Troy to Radomir | 4,982.35 mi (8,018.33 km) |
| Troy to Rakitovo | 5,051.56 mi (8,129.70 km) |
| Troy to Rakovski | 5,070.33 mi (8,159.90 km) |
| Troy to Razgrad | 5,068.34 mi (8,156.71 km) |
| Troy to Razlog | 5,032.88 mi (8,099.64 km) |
| Troy to Ruse | 5,034.16 mi (8,101.69 km) |
| Troy to Samokov | 5,015.11 mi (8,071.04 km) |
| Troy to Sandanski | 5,040.54 mi (8,111.97 km) |
| Troy to Sevlievo | 5,041.05 mi (8,112.79 km) |
| Troy to Shumen | 5,095.39 mi (8,200.24 km) |
| Troy to Silistra | 5,067.21 mi (8,154.88 km) |
| Troy to Sliven | 5,102.21 mi (8,211.22 km) |
