| Littleton to Popovo | 5,949.02 mi (9,574.03 km) |
| Littleton to Provadia | 5,993.17 mi (9,645.07 km) |
| Littleton to Radnevo | 5,999.18 mi (9,654.75 km) |
| Littleton to Radomir | 5,894.59 mi (9,486.42 km) |
| Littleton to Rakitovo | 5,960.80 mi (9,592.99 km) |
| Littleton to Rakovski | 5,970.78 mi (9,609.05 km) |
| Littleton to Razgrad | 5,946.94 mi (9,570.67 km) |
| Littleton to Razlog | 5,947.24 mi (9,571.16 km) |
| Littleton to Ruse | 5,914.30 mi (9,518.15 km) |
| Littleton to Samokov | 5,925.01 mi (9,535.38 km) |
| Littleton to Sandanski | 5,958.82 mi (9,589.80 km) |
| Littleton to Sevlievo | 5,934.14 mi (9,550.08 km) |
| Littleton to Shumen | 5,973.11 mi (9,612.78 km) |
| Littleton to Silistra | 5,935.25 mi (9,551.86 km) |
| Littleton to Sliven | 5,989.48 mi (9,639.13 km) |
