| Syke to Popovo | 1,034.92 mi (1,665.54 km) |
| Syke to Provadia | 1,085.62 mi (1,747.13 km) |
| Syke to Radnevo | 1,077.87 mi (1,734.66 km) |
| Syke to Radomir | 967.89 mi (1,557.68 km) |
| Syke to Rakitovo | 1,034.30 mi (1,664.55 km) |
| Syke to Rakovski | 1,046.29 mi (1,683.84 km) |
| Syke to Razgrad | 1,035.91 mi (1,667.13 km) |
| Syke to Razlog | 1,020.59 mi (1,642.48 km) |
| Syke to Ruse | 1,001.85 mi (1,612.32 km) |
| Syke to Samokov | 998.40 mi (1,606.77 km) |
| Syke to Sandanski | 1,032.54 mi (1,661.71 km) |
| Syke to Sevlievo | 1,012.72 mi (1,629.82 km) |
| Syke to Shumen | 1,062.91 mi (1,710.59 km) |
| Syke to Silistra | 1,034.86 mi (1,665.45 km) |
| Syke to Sliven | 1,071.82 mi (1,724.92 km) |
