| Sozopol to Reidsville (North Carolina) | 5,331.71 mi (8,580.55 km) |
| Sozopol to Reisterstown (Maryland) | 5,071.07 mi (8,161.11 km) |
| Sozopol to Rendon (Texas) | 6,190.84 mi (9,963.19 km) |
| Sozopol to Reno (Nevada) | 6,419.83 mi (10,331.72 km) |
| Sozopol to Renton (Washington) | 5,958.95 mi (9,590.01 km) |
| Sozopol to Republic (Missouri) | 5,810.16 mi (9,350.54 km) |
| Sozopol to Reston (Virginia) | 5,115.60 mi (8,232.77 km) |
| Sozopol to Revere (Massachusetts) | 4,707.26 mi (7,575.60 km) |
| Sozopol to Rexburg (Idaho) | 5,972.49 mi (9,611.79 km) |
| Sozopol to Reynoldsburg (Ohio) | 5,278.99 mi (8,495.72 km) |
| Sozopol to Rialto (California) | 6,706.07 mi (10,792.37 km) |
| Sozopol to Richardson (Texas) | 6,150.74 mi (9,898.66 km) |
| Sozopol to Richfield (Minnesota) | 5,394.53 mi (8,681.65 km) |
| Sozopol to Richfield (Wisconsin) | 5,312.75 mi (8,550.05 km) |
| Sozopol to Richland (Washington) | 5,982.16 mi (9,627.36 km) |
