| Clondalkin to Popovo | 1,630.74 mi (2,624.42 km) |
| Clondalkin to Provadia | 1,686.16 mi (2,713.61 km) |
| Clondalkin to Radnevo | 1,662.77 mi (2,675.98 km) |
| Clondalkin to Radomir | 1,533.36 mi (2,467.70 km) |
| Clondalkin to Rakitovo | 1,602.98 mi (2,579.74 km) |
| Clondalkin to Rakovski | 1,624.63 mi (2,614.59 km) |
| Clondalkin to Razgrad | 1,634.72 mi (2,630.82 km) |
| Clondalkin to Razlog | 1,583.12 mi (2,547.79 km) |
| Clondalkin to Ruse | 1,600.20 mi (2,575.27 km) |
| Clondalkin to Samokov | 1,566.57 mi (2,521.14 km) |
| Clondalkin to Sandanski | 1,590.04 mi (2,558.92 km) |
| Clondalkin to Sevlievo | 1,599.10 mi (2,573.50 km) |
| Clondalkin to Shumen | 1,661.79 mi (2,674.40 km) |
| Clondalkin to Silistra | 1,641.59 mi (2,641.88 km) |
| Clondalkin to Sliven | 1,662.51 mi (2,675.56 km) |
