| Idanha-a-Nova to Popovo | 1,732.66 mi (2,788.45 km) |
| Idanha-a-Nova to Provadia | 1,793.72 mi (2,886.71 km) |
| Idanha-a-Nova to Radnevo | 1,723.51 mi (2,773.72 km) |
| Idanha-a-Nova to Radomir | 1,570.46 mi (2,527.41 km) |
| Idanha-a-Nova to Rakitovo | 1,631.35 mi (2,625.40 km) |
| Idanha-a-Nova to Rakovski | 1,674.36 mi (2,694.62 km) |
| Idanha-a-Nova to Razgrad | 1,746.05 mi (2,810.00 km) |
| Idanha-a-Nova to Razlog | 1,600.47 mi (2,575.70 km) |
| Idanha-a-Nova to Ruse | 1,716.92 mi (2,763.12 km) |
| Idanha-a-Nova to Samokov | 1,602.29 mi (2,578.63 km) |
| Idanha-a-Nova to Sandanski | 1,593.20 mi (2,564.01 km) |
| Idanha-a-Nova to Sevlievo | 1,677.82 mi (2,700.18 km) |
| Idanha-a-Nova to Shumen | 1,768.08 mi (2,845.46 km) |
| Idanha-a-Nova to Silistra | 1,780.90 mi (2,866.08 km) |
| Idanha-a-Nova to Sliven | 1,741.27 mi (2,802.30 km) |
