| Karlovo to Yonkers (New York) | 4,759.81 mi (7,660.18 km) |
| Karlovo to Yorba Linda (California) | 6,643.67 mi (10,691.95 km) |
| Karlovo to York (Pennsylvania) | 4,919.05 mi (7,916.45 km) |
| Karlovo to Yorktown (Indiana) | 5,250.96 mi (8,450.60 km) |
| Karlovo to Yorkville (Illinois) | 5,286.44 mi (8,507.70 km) |
| Karlovo to Youngstown (Ohio) | 5,022.05 mi (8,082.21 km) |
| Karlovo to Youngsville (Louisiana) | 6,009.60 mi (9,671.51 km) |
| Karlovo to Ypsilanti (Michigan) | 5,081.33 mi (8,177.61 km) |
| Karlovo to Yuba City (California) | 6,408.13 mi (10,312.89 km) |
| Karlovo to Yucaipa (California) | 6,615.84 mi (10,647.17 km) |
| Karlovo to Yucca Valley (California) | 6,593.99 mi (10,612.00 km) |
| Karlovo to Yukon (Oklahoma) | 5,936.00 mi (9,553.06 km) |
| Karlovo to Yulee (Florida) | 5,555.12 mi (8,940.09 km) |
| Karlovo to Yuma (Arizona) | 6,635.76 mi (10,679.22 km) |
| Karlovo to Zachary (Louisiana) | 5,947.33 mi (9,571.30 km) |
