| Cowley to Popovo | 1,394.26 mi (2,243.84 km) |
| Cowley to Provadia | 1,450.71 mi (2,334.70 km) |
| Cowley to Radnevo | 1,423.86 mi (2,291.49 km) |
| Cowley to Radomir | 1,292.14 mi (2,079.50 km) |
| Cowley to Rakitovo | 1,361.90 mi (2,191.77 km) |
| Cowley to Rakovski | 1,384.77 mi (2,228.57 km) |
| Cowley to Razgrad | 1,399.00 mi (2,251.47 km) |
| Cowley to Razlog | 1,341.45 mi (2,158.86 km) |
| Cowley to Ruse | 1,364.50 mi (2,195.95 km) |
| Cowley to Samokov | 1,325.55 mi (2,133.26 km) |
| Cowley to Sandanski | 1,347.90 mi (2,169.23 km) |
| Cowley to Sevlievo | 1,360.69 mi (2,189.82 km) |
| Cowley to Shumen | 1,425.99 mi (2,294.90 km) |
| Cowley to Silistra | 1,408.30 mi (2,266.43 km) |
| Cowley to Sliven | 1,424.74 mi (2,292.89 km) |
