| Kilmarnock to Popovo | 1,599.06 mi (2,573.44 km) |
| Kilmarnock to Provadia | 1,651.29 mi (2,657.49 km) |
| Kilmarnock to Radnevo | 1,638.20 mi (2,636.43 km) |
| Kilmarnock to Radomir | 1,518.84 mi (2,444.34 km) |
| Kilmarnock to Rakitovo | 1,587.25 mi (2,554.42 km) |
| Kilmarnock to Rakovski | 1,603.74 mi (2,580.97 km) |
| Kilmarnock to Razgrad | 1,600.98 mi (2,576.52 km) |
| Kilmarnock to Razlog | 1,570.42 mi (2,527.35 km) |
| Kilmarnock to Ruse | 1,566.69 mi (2,521.35 km) |
| Kilmarnock to Samokov | 1,550.88 mi (2,495.90 km) |
| Kilmarnock to Sandanski | 1,579.88 mi (2,542.57 km) |
| Kilmarnock to Sevlievo | 1,573.38 mi (2,532.10 km) |
| Kilmarnock to Shumen | 1,628.07 mi (2,620.12 km) |
| Kilmarnock to Silistra | 1,601.89 mi (2,577.99 km) |
| Kilmarnock to Sliven | 1,634.33 mi (2,630.19 km) |
