| Clifton to Popovo | 1,413.95 mi (2,275.54 km) |
| Clifton to Provadia | 1,468.96 mi (2,364.06 km) |
| Clifton to Radnevo | 1,447.33 mi (2,329.25 km) |
| Clifton to Radomir | 1,320.28 mi (2,124.78 km) |
| Clifton to Rakitovo | 1,389.65 mi (2,236.42 km) |
| Clifton to Rakovski | 1,409.98 mi (2,269.14 km) |
| Clifton to Razgrad | 1,417.64 mi (2,281.46 km) |
| Clifton to Razlog | 1,370.65 mi (2,205.85 km) |
| Clifton to Ruse | 1,383.12 mi (2,225.92 km) |
| Clifton to Samokov | 1,353.20 mi (2,177.76 km) |
| Clifton to Sandanski | 1,378.38 mi (2,218.28 km) |
| Clifton to Sevlievo | 1,383.35 mi (2,226.28 km) |
| Clifton to Shumen | 1,444.73 mi (2,325.07 km) |
| Clifton to Silistra | 1,423.83 mi (2,291.43 km) |
| Clifton to Sliven | 1,446.35 mi (2,327.67 km) |
