| Karlovo to Somersworth (New Hampshire) | 4,541.43 mi (7,308.73 km) |
| Karlovo to Somerton (Arizona) | 6,639.89 mi (10,685.88 km) |
| Karlovo to Somerville (Massachusetts) | 4,585.89 mi (7,380.27 km) |
| Karlovo to Somerville (New Jersey) | 4,806.38 mi (7,735.12 km) |
| Karlovo to Sonoma (California) | 6,479.44 mi (10,427.65 km) |
| Karlovo to Soquel (California) | 6,549.98 mi (10,541.17 km) |
| Karlovo to South Bend (Indiana) | 5,206.38 mi (8,378.85 km) |
| Karlovo to South Bradenton (Florida) | 5,752.85 mi (9,258.31 km) |
| Karlovo to South Burlington (Vermont) | 4,584.17 mi (7,377.51 km) |
| Karlovo to South Charleston (West Virginia) | 5,192.81 mi (8,357.02 km) |
| Karlovo to South Daytona (Florida) | 5,601.86 mi (9,015.32 km) |
| Karlovo to South El Monte (California) | 6,640.88 mi (10,687.46 km) |
| Karlovo to South Elgin (Illinois) | 5,264.93 mi (8,473.09 km) |
| Karlovo to South Euclid (Ohio) | 5,036.09 mi (8,104.81 km) |
| Karlovo to South Farmingdale (New York) | 4,752.59 mi (7,648.55 km) |
