| Kazanlak to Reidsville (North Carolina) | 5,230.14 mi (8,417.10 km) |
| Kazanlak to Reisterstown (Maryland) | 4,970.37 mi (7,999.04 km) |
| Kazanlak to Rendon (Texas) | 6,098.93 mi (9,815.28 km) |
| Kazanlak to Reno (Nevada) | 6,357.31 mi (10,231.11 km) |
| Kazanlak to Renton (Washington) | 5,904.83 mi (9,502.91 km) |
| Kazanlak to Republic (Missouri) | 5,718.82 mi (9,203.56 km) |
| Kazanlak to Reston (Virginia) | 5,014.78 mi (8,070.51 km) |
| Kazanlak to Revere (Massachusetts) | 4,605.99 mi (7,412.62 km) |
| Kazanlak to Rexburg (Idaho) | 5,904.06 mi (9,501.67 km) |
| Kazanlak to Reynoldsburg (Ohio) | 5,182.38 mi (8,340.23 km) |
| Kazanlak to Rialto (California) | 6,636.57 mi (10,680.53 km) |
| Kazanlak to Richardson (Texas) | 6,058.69 mi (9,750.53 km) |
| Kazanlak to Richfield (Minnesota) | 5,310.03 mi (8,545.67 km) |
| Kazanlak to Richfield (Wisconsin) | 5,222.88 mi (8,405.41 km) |
| Kazanlak to Richland (Washington) | 5,923.88 mi (9,533.57 km) |
