| Kilkenny to Popovo | 1,657.51 mi (2,667.51 km) |
| Kilkenny to Provadia | 1,713.76 mi (2,758.03 km) |
| Kilkenny to Radnevo | 1,687.35 mi (2,715.52 km) |
| Kilkenny to Radomir | 1,555.19 mi (2,502.83 km) |
| Kilkenny to Rakitovo | 1,625.00 mi (2,615.18 km) |
| Kilkenny to Rakovski | 1,648.18 mi (2,652.48 km) |
| Kilkenny to Razgrad | 1,662.10 mi (2,674.89 km) |
| Kilkenny to Razlog | 1,604.26 mi (2,581.80 km) |
| Kilkenny to Ruse | 1,627.59 mi (2,619.35 km) |
| Kilkenny to Samokov | 1,588.67 mi (2,556.71 km) |
| Kilkenny to Sandanski | 1,610.37 mi (2,591.64 km) |
| Kilkenny to Sevlievo | 1,624.17 mi (2,613.85 km) |
| Kilkenny to Shumen | 1,689.11 mi (2,718.36 km) |
| Kilkenny to Silistra | 1,670.71 mi (2,688.75 km) |
| Kilkenny to Sliven | 1,688.18 mi (2,716.86 km) |
