| Ken Caryl to Popovo | 5,952.65 mi (9,579.86 km) |
| Ken Caryl to Provadia | 5,996.75 mi (9,650.84 km) |
| Ken Caryl to Radnevo | 6,002.86 mi (9,660.67 km) |
| Ken Caryl to Radomir | 5,898.37 mi (9,492.50 km) |
| Ken Caryl to Rakitovo | 5,964.56 mi (9,599.04 km) |
| Ken Caryl to Rakovski | 5,974.50 mi (9,615.03 km) |
| Ken Caryl to Razgrad | 5,950.55 mi (9,576.48 km) |
| Ken Caryl to Razlog | 5,951.03 mi (9,577.26 km) |
| Ken Caryl to Ruse | 5,917.92 mi (9,523.98 km) |
| Ken Caryl to Samokov | 5,928.78 mi (9,541.44 km) |
| Ken Caryl to Sandanski | 5,962.63 mi (9,595.92 km) |
| Ken Caryl to Sevlievo | 5,937.82 mi (9,556.00 km) |
| Ken Caryl to Shumen | 5,976.71 mi (9,618.58 km) |
| Ken Caryl to Silistra | 5,938.80 mi (9,557.58 km) |
| Ken Caryl to Sliven | 5,993.12 mi (9,645.00 km) |
