| Carlisle to Popovo | 1,524.99 mi (2,454.24 km) |
| Carlisle to Provadia | 1,577.79 mi (2,539.21 km) |
| Carlisle to Radnevo | 1,563.09 mi (2,515.55 km) |
| Carlisle to Radomir | 1,442.37 mi (2,321.28 km) |
| Carlisle to Rakitovo | 1,510.96 mi (2,431.66 km) |
| Carlisle to Rakovski | 1,528.10 mi (2,459.24 km) |
| Carlisle to Razgrad | 1,527.25 mi (2,457.87 km) |
| Carlisle to Razlog | 1,493.79 mi (2,404.02 km) |
| Carlisle to Ruse | 1,492.89 mi (2,402.58 km) |
| Carlisle to Samokov | 1,474.57 mi (2,373.09 km) |
| Carlisle to Sandanski | 1,502.99 mi (2,418.82 km) |
| Carlisle to Sevlievo | 1,498.38 mi (2,411.41 km) |
| Carlisle to Shumen | 1,554.36 mi (2,501.50 km) |
| Carlisle to Silistra | 1,529.20 mi (2,461.02 km) |
| Carlisle to Sliven | 1,559.74 mi (2,510.16 km) |
