| Karlovo to Richmond (California) | 6,498.51 mi (10,458.34 km) |
| Karlovo to Richmond (Indiana) | 5,244.54 mi (8,440.27 km) |
| Karlovo to Richmond (Kentucky) | 5,323.25 mi (8,566.95 km) |
| Karlovo to Richmond (Texas) | 6,182.17 mi (9,949.24 km) |
| Karlovo to Richmond (Virginia) | 5,059.52 mi (8,142.51 km) |
| Karlovo to Richmond Heights (Florida) | 5,744.46 mi (9,244.81 km) |
| Karlovo to Richmond Heights (Ohio) | 5,033.64 mi (8,100.86 km) |
| Karlovo to Richmond Hill (Georgia) | 5,483.35 mi (8,824.60 km) |
| Karlovo to Richmond West (Florida) | 5,748.19 mi (9,250.82 km) |
| Karlovo to Richton Park (Illinois) | 5,269.43 mi (8,480.33 km) |
| Karlovo to Ridge (New York) | 4,721.29 mi (7,598.19 km) |
| Karlovo to Ridgecrest (California) | 6,533.38 mi (10,514.46 km) |
| Karlovo to Ridgefield (New Jersey) | 4,770.81 mi (7,677.87 km) |
| Karlovo to Ridgefield (Washington) | 6,007.40 mi (9,667.97 km) |
| Karlovo to Ridgefield Park (New Jersey) | 4,770.03 mi (7,676.62 km) |
