| Karlovo to Springfield (Missouri) | 5,688.16 mi (9,154.20 km) |
| Karlovo to Springfield (Ohio) | 5,198.17 mi (8,365.65 km) |
| Karlovo to Springfield (Oregon) | 6,124.33 mi (9,856.16 km) |
| Karlovo to Springfield (Tennessee) | 5,483.93 mi (8,825.53 km) |
| Karlovo to Springfield (Virginia) | 4,990.70 mi (8,031.75 km) |
| Karlovo to Springville (Utah) | 6,100.96 mi (9,818.55 km) |
| Karlovo to St. Albans (West Virginia) | 5,195.31 mi (8,361.04 km) |
| Karlovo to St. Andrews (South Carolina) | 5,371.84 mi (8,645.14 km) |
| Karlovo to St. Ann (Missouri) | 5,503.84 mi (8,857.58 km) |
| Karlovo to St. Augustine (Florida) | 5,579.68 mi (8,979.62 km) |
| Karlovo to St. Charles (Illinois) | 5,268.37 mi (8,478.62 km) |
| Karlovo to St. Charles (Missouri) | 5,505.02 mi (8,859.48 km) |
| Karlovo to St. Clair Shores (Michigan) | 5,042.58 mi (8,115.25 km) |
| Karlovo to St. Cloud (Florida) | 5,658.55 mi (9,106.56 km) |
| Karlovo to St. Cloud (Minnesota) | 5,284.10 mi (8,503.94 km) |
