| Highlands Ranch to Yonkers (New York) | 1,634.57 mi (2,630.59 km) |
| Highlands Ranch to Yorba Linda (California) | 808.31 mi (1,300.84 km) |
| Highlands Ranch to York (Pennsylvania) | 1,494.03 mi (2,404.41 km) |
| Highlands Ranch to Yorktown (Indiana) | 1,030.87 mi (1,659.02 km) |
| Highlands Ranch to Yorkville (Illinois) | 877.48 mi (1,412.16 km) |
| Highlands Ranch to Youngstown (Ohio) | 1,281.73 mi (2,062.74 km) |
| Highlands Ranch to Youngsville (Louisiana) | 981.70 mi (1,579.89 km) |
| Highlands Ranch to Ypsilanti (Michigan) | 1,127.55 mi (1,814.62 km) |
| Highlands Ranch to Yuba City (California) | 889.84 mi (1,432.06 km) |
| Highlands Ranch to Yucaipa (California) | 767.82 mi (1,235.69 km) |
| Highlands Ranch to Yucca Valley (California) | 734.77 mi (1,182.49 km) |
| Highlands Ranch to Yukon (Oklahoma) | 482.59 mi (776.66 km) |
| Highlands Ranch to Yulee (Florida) | 1,453.45 mi (2,339.09 km) |
| Highlands Ranch to Yuma (Arizona) | 717.70 mi (1,155.02 km) |
| Highlands Ranch to Zachary (Louisiana) | 990.65 mi (1,594.30 km) |
