| Conwy to Popovo | 1,526.96 mi (2,457.40 km) |
| Conwy to Provadia | 1,582.02 mi (2,546.02 km) |
| Conwy to Radnevo | 1,560.00 mi (2,510.58 km) |
| Conwy to Radomir | 1,432.16 mi (2,304.83 km) |
| Conwy to Rakitovo | 1,501.62 mi (2,416.63 km) |
| Conwy to Rakovski | 1,522.41 mi (2,450.08 km) |
| Conwy to Razgrad | 1,530.69 mi (2,463.40 km) |
| Conwy to Razlog | 1,482.31 mi (2,385.55 km) |
| Conwy to Ruse | 1,496.17 mi (2,407.86 km) |
| Conwy to Samokov | 1,465.19 mi (2,357.99 km) |
| Conwy to Sandanski | 1,489.74 mi (2,397.50 km) |
| Conwy to Sevlievo | 1,496.10 mi (2,407.75 km) |
| Conwy to Shumen | 1,557.78 mi (2,507.01 km) |
| Conwy to Silistra | 1,536.92 mi (2,473.43 km) |
| Conwy to Sliven | 1,559.22 mi (2,509.32 km) |
