| Cities | Distance |
|---|---|
| Isernia to Popovo | 622.42 mi (1,001.69 km) |
| Isernia to Provadia | 681.30 mi (1,096.44 km) |
| Isernia to Radnevo | 602.33 mi (969.36 km) |
| Isernia to Radomir | 451.26 mi (726.24 km) |
| Isernia to Rakitovo | 507.47 mi (816.70 km) |
| Isernia to Rakovski | 552.86 mi (889.75 km) |
| Isernia to Razgrad | 638.16 mi (1,027.02 km) |
| Isernia to Razlog | 475.85 mi (765.80 km) |
| Isernia to Ruse | 613.57 mi (987.45 km) |
| Isernia to Samokov | 480.99 mi (774.08 km) |
| Isernia to Sandanski | 467.11 mi (751.74 km) |
| Isernia to Sevlievo | 563.76 mi (907.29 km) |
| Isernia to Shumen | 656.87 mi (1,057.13 km) |
| Isernia to Silistra | 681.14 mi (1,096.20 km) |
| Isernia to Sliven | 623.50 mi (1,003.42 km) |