| Karlovo to Oxford (Alabama) | 5,588.20 mi (8,993.33 km) |
| Karlovo to Oxford (Mississippi) | 5,693.93 mi (9,163.49 km) |
| Karlovo to Oxford (Ohio) | 5,254.75 mi (8,456.71 km) |
| Karlovo to Oxnard (California) | 6,660.34 mi (10,718.78 km) |
| Karlovo to Oxon Hill (Maryland) | 4,981.76 mi (8,017.37 km) |
| Karlovo to Ozark (Alabama) | 5,685.65 mi (9,150.17 km) |
| Karlovo to Ozark (Missouri) | 5,693.66 mi (9,163.06 km) |
| Karlovo to Pace (Florida) | 5,789.35 mi (9,317.06 km) |
| Karlovo to Pacific Grove (California) | 6,573.42 mi (10,578.90 km) |
| Karlovo to Pacifica (California) | 6,522.86 mi (10,497.53 km) |
| Karlovo to Paducah (Kentucky) | 5,522.87 mi (8,888.21 km) |
| Karlovo to Pahrump (Nevada) | 6,454.34 mi (10,387.26 km) |
| Karlovo to Painesville (Ohio) | 5,016.44 mi (8,073.19 km) |
| Karlovo to Palatine (Illinois) | 5,248.94 mi (8,447.36 km) |
| Karlovo to Palatka (Florida) | 5,607.13 mi (9,023.80 km) |
