| Karlovo to Spout Springs (North Carolina) | 5,228.17 mi (8,413.93 km) |
| Karlovo to Spring (Texas) | 6,142.39 mi (9,885.23 km) |
| Karlovo to Spring Creek (Nevada) | 6,168.03 mi (9,926.49 km) |
| Karlovo to Spring Hill (Florida) | 5,700.86 mi (9,174.64 km) |
| Karlovo to Spring Hill (Tennessee) | 5,522.83 mi (8,888.14 km) |
| Karlovo to Spring Lake (North Carolina) | 5,230.75 mi (8,418.07 km) |
| Karlovo to Spring Valley (California) | 6,694.08 mi (10,773.08 km) |
| Karlovo to Spring Valley (Nevada) | 6,442.96 mi (10,368.94 km) |
| Karlovo to Spring Valley (New York) | 4,759.88 mi (7,660.29 km) |
| Karlovo to Springboro (Ohio) | 5,232.63 mi (8,421.11 km) |
| Karlovo to Springdale (Arkansas) | 5,772.05 mi (9,289.21 km) |
| Karlovo to Springdale (New Jersey) | 4,851.58 mi (7,807.86 km) |
| Karlovo to Springdale (Ohio) | 5,254.90 mi (8,456.94 km) |
| Karlovo to Springfield (Illinois) | 5,424.26 mi (8,729.50 km) |
| Karlovo to Springfield (Massachusetts) | 4,655.87 mi (7,492.90 km) |
