| Cities | Distance |
|---|---|
| Nagykallo to Popovo | 377.99 mi (608.31 km) |
| Nagykallo to Provadia | 422.23 mi (679.52 km) |
| Nagykallo to Radnevo | 434.00 mi (698.45 km) |
| Nagykallo to Radomir | 372.35 mi (599.24 km) |
| Nagykallo to Rakitovo | 421.98 mi (679.11 km) |
| Nagykallo to Rakovski | 415.28 mi (668.33 km) |
| Nagykallo to Razgrad | 375.39 mi (604.13 km) |
| Nagykallo to Razlog | 422.02 mi (679.18 km) |
| Nagykallo to Ruse | 342.97 mi (551.95 km) |
| Nagykallo to Samokov | 392.10 mi (631.02 km) |
| Nagykallo to Sandanski | 441.94 mi (711.24 km) |
| Nagykallo to Sevlievo | 370.95 mi (596.98 km) |
| Nagykallo to Shumen | 401.60 mi (646.32 km) |
| Nagykallo to Silistra | 367.45 mi (591.35 km) |
| Nagykallo to Sliven | 420.05 mi (676.01 km) |