| Truro to Popovo | 1,541.48 mi (2,480.78 km) |
| Truro to Provadia | 1,599.84 mi (2,574.69 km) |
| Truro to Radnevo | 1,564.77 mi (2,518.25 km) |
| Truro to Radomir | 1,425.92 mi (2,294.80 km) |
| Truro to Rakitovo | 1,495.82 mi (2,407.28 km) |
| Truro to Rakovski | 1,522.97 mi (2,450.99 km) |
| Truro to Razgrad | 1,547.84 mi (2,491.01 km) |
| Truro to Razlog | 1,472.87 mi (2,370.36 km) |
| Truro to Ruse | 1,513.59 mi (2,435.88 km) |
| Truro to Samokov | 1,459.91 mi (2,349.50 km) |
| Truro to Sandanski | 1,476.87 mi (2,376.79 km) |
| Truro to Sevlievo | 1,503.39 mi (2,419.47 km) |
| Truro to Shumen | 1,574.49 mi (2,533.89 km) |
| Truro to Silistra | 1,561.73 mi (2,513.36 km) |
| Truro to Sliven | 1,568.70 mi (2,524.57 km) |
