| Carterton to Popovo | 1,410.29 mi (2,269.65 km) |
| Carterton to Provadia | 1,466.78 mi (2,360.55 km) |
| Carterton to Radnevo | 1,439.79 mi (2,317.11 km) |
| Carterton to Radomir | 1,307.88 mi (2,104.82 km) |
| Carterton to Rakitovo | 1,377.65 mi (2,217.12 km) |
| Carterton to Rakovski | 1,400.63 mi (2,254.09 km) |
| Carterton to Razgrad | 1,415.06 mi (2,277.32 km) |
| Carterton to Razlog | 1,357.13 mi (2,184.09 km) |
| Carterton to Ruse | 1,380.56 mi (2,221.79 km) |
| Carterton to Samokov | 1,341.30 mi (2,158.62 km) |
| Carterton to Sandanski | 1,363.51 mi (2,194.36 km) |
| Carterton to Sevlievo | 1,376.64 mi (2,215.49 km) |
| Carterton to Shumen | 1,442.04 mi (2,320.74 km) |
| Carterton to Silistra | 1,424.41 mi (2,292.36 km) |
| Carterton to Sliven | 1,440.72 mi (2,318.61 km) |
