| Karlovo to Portage (Michigan) | 5,156.14 mi (8,298.01 km) |
| Karlovo to Portage (Wisconsin) | 5,228.03 mi (8,413.70 km) |
| Karlovo to Portales (New Mexico) | 6,200.59 mi (9,978.89 km) |
| Karlovo to Porterville (California) | 6,540.51 mi (10,525.94 km) |
| Karlovo to Portland (Maine) | 4,499.27 mi (7,240.87 km) |
| Karlovo to Portland (Oregon) | 6,023.75 mi (9,694.28 km) |
| Karlovo to Portland (Tennessee) | 5,465.69 mi (8,796.17 km) |
| Karlovo to Portland (Texas) | 6,332.72 mi (10,191.54 km) |
| Karlovo to Portsmouth (New Hampshire) | 4,545.31 mi (7,314.97 km) |
| Karlovo to Portsmouth (Ohio) | 5,221.53 mi (8,403.24 km) |
| Karlovo to Portsmouth (Virginia) | 5,044.11 mi (8,117.71 km) |
| Karlovo to Post Falls (Idaho) | 5,771.58 mi (9,288.46 km) |
| Karlovo to Potomac (Maryland) | 4,980.58 mi (8,015.46 km) |
| Karlovo to Potomac Park (California) | 6,582.40 mi (10,593.35 km) |
| Karlovo to Pottstown (Pennsylvania) | 4,862.41 mi (7,825.29 km) |
