| Caldiran to Popovo | 961.26 mi (1,547.00 km) |
| Caldiran to Provadia | 899.81 mi (1,448.11 km) |
| Caldiran to Radnevo | 964.53 mi (1,552.26 km) |
| Caldiran to Radomir | 1,117.65 mi (1,798.69 km) |
| Caldiran to Rakitovo | 1,056.75 mi (1,700.67 km) |
| Caldiran to Rakovski | 1,013.58 mi (1,631.20 km) |
| Caldiran to Razgrad | 950.02 mi (1,528.91 km) |
| Caldiran to Razlog | 1,087.94 mi (1,750.87 km) |
| Caldiran to Ruse | 981.90 mi (1,580.21 km) |
| Caldiran to Samokov | 1,085.62 mi (1,747.14 km) |
| Caldiran to Sandanski | 1,096.46 mi (1,764.58 km) |
| Caldiran to Sevlievo | 1,012.79 mi (1,629.93 km) |
| Caldiran to Shumen | 925.88 mi (1,490.06 km) |
| Caldiran to Silistra | 924.11 mi (1,487.21 km) |
| Caldiran to Sliven | 948.05 mi (1,525.74 km) |
