| State College to Popovo | 4,952.15 mi (7,969.72 km) |
| State College to Provadia | 5,005.98 mi (8,056.34 km) |
| State College to Radnevo | 4,986.43 mi (8,024.88 km) |
| State College to Radomir | 4,856.78 mi (7,816.24 km) |
| State College to Rakitovo | 4,926.53 mi (7,928.49 km) |
| State College to Rakovski | 4,948.60 mi (7,964.00 km) |
| State College to Razgrad | 4,955.11 mi (7,974.48 km) |
| State College to Razlog | 4,905.99 mi (7,895.43 km) |
| State College to Ruse | 4,920.66 mi (7,919.04 km) |
| State College to Samokov | 4,890.16 mi (7,869.96 km) |
| State College to Sandanski | 4,912.02 mi (7,905.12 km) |
| State College to Sevlievo | 4,922.48 mi (7,921.96 km) |
| State College to Shumen | 4,982.23 mi (8,018.13 km) |
| State College to Silistra | 4,958.01 mi (7,979.14 km) |
| State College to Sliven | 4,985.32 mi (8,023.09 km) |
