| Van Buren to Popovo | 5,835.00 mi (9,390.53 km) |
| Van Buren to Provadia | 5,885.48 mi (9,471.76 km) |
| Van Buren to Radnevo | 5,875.70 mi (9,456.03 km) |
| Van Buren to Radomir | 5,754.49 mi (9,260.96 km) |
| Van Buren to Rakitovo | 5,823.46 mi (9,371.96 km) |
| Van Buren to Rakovski | 5,841.16 mi (9,400.44 km) |
| Van Buren to Razgrad | 5,836.00 mi (9,392.14 km) |
| Van Buren to Razlog | 5,805.35 mi (9,342.81 km) |
| Van Buren to Ruse | 5,801.98 mi (9,337.38 km) |
| Van Buren to Samokov | 5,787.03 mi (9,313.32 km) |
| Van Buren to Sandanski | 5,813.46 mi (9,355.86 km) |
| Van Buren to Sevlievo | 5,810.82 mi (9,351.61 km) |
| Van Buren to Shumen | 5,862.98 mi (9,435.55 km) |
| Van Buren to Silistra | 5,833.13 mi (9,387.52 km) |
| Van Buren to Sliven | 5,871.27 mi (9,448.90 km) |
