| Logan to Popovo | 6,007.30 mi (9,667.82 km) |
| Logan to Provadia | 6,047.10 mi (9,731.87 km) |
| Logan to Radnevo | 6,062.50 mi (9,756.65 km) |
| Logan to Radomir | 5,969.15 mi (9,606.42 km) |
| Logan to Rakitovo | 6,032.90 mi (9,709.01 km) |
| Logan to Rakovski | 6,038.13 mi (9,717.43 km) |
| Logan to Razgrad | 6,003.40 mi (9,661.53 km) |
| Logan to Razlog | 6,022.23 mi (9,691.84 km) |
| Logan to Ruse | 5,972.00 mi (9,611.01 km) |
| Logan to Samokov | 5,997.93 mi (9,652.74 km) |
| Logan to Sandanski | 6,035.74 mi (9,713.59 km) |
| Logan to Sevlievo | 5,998.17 mi (9,653.13 km) |
| Logan to Shumen | 6,028.75 mi (9,702.33 km) |
| Logan to Silistra | 5,986.58 mi (9,634.46 km) |
| Logan to Sliven | 6,049.75 mi (9,736.13 km) |
