| Cities | Distance |
|---|---|
| Kos to Popovo | 452.20 mi (727.74 km) |
| Kos to Provadia | 437.72 mi (704.44 km) |
| Kos to Radnevo | 382.86 mi (616.15 km) |
| Kos to Radomir | 454.76 mi (731.87 km) |
| Kos to Rakitovo | 392.44 mi (631.57 km) |
| Kos to Rakovski | 394.65 mi (635.13 km) |
| Kos to Razgrad | 463.31 mi (745.63 km) |
| Kos to Razlog | 401.67 mi (646.42 km) |
| Kos to Ruse | 486.47 mi (782.89 km) |
| Kos to Samokov | 426.60 mi (686.54 km) |
| Kos to Sandanski | 388.49 mi (625.22 km) |
| Kos to Sevlievo | 441.18 mi (710.01 km) |
| Kos to Shumen | 444.78 mi (715.80 km) |
| Kos to Silistra | 502.12 mi (808.08 km) |
| Kos to Sliven | 405.86 mi (653.17 km) |