| Keystone to Hickory Hills (Illinois) | 984.29 mi (1,584.06 km) |
| Keystone to Hicksville (New York) | 1,013.12 mi (1,630.45 km) |
| Keystone to Hidalgo (Texas) | 971.59 mi (1,563.63 km) |
| Keystone to High Point (North Carolina) | 564.02 mi (907.71 km) |
| Keystone to Highland (California) | 2,075.57 mi (3,340.31 km) |
| Keystone to Highland (Illinois) | 839.54 mi (1,351.11 km) |
| Keystone to Highland (Indiana) | 966.67 mi (1,555.70 km) |
| Keystone to Highland (Utah) | 1,858.80 mi (2,991.46 km) |
| Keystone to Highland City (Florida) | 45.52 mi (73.25 km) |
| Keystone to Highland Park (Illinois) | 1,013.93 mi (1,631.76 km) |
| Keystone to Highland Park (New Jersey) | 972.49 mi (1,565.06 km) |
| Keystone to Highland Springs (Virginia) | 718.89 mi (1,156.94 km) |
| Keystone to Highland Village (Texas) | 924.63 mi (1,488.04 km) |
| Keystone to Highlands Ranch (Colorado) | 1,500.18 mi (2,414.31 km) |
| Keystone to Hillcrest (California) | 2,181.00 mi (3,509.99 km) |
