| Highland to River Ridge (Louisiana) | 1,599.24 mi (2,573.72 km) |
| Highland to Riverbank (California) | 327.15 mi (526.50 km) |
| Highland to Riverdale (Georgia) | 1,872.06 mi (3,012.78 km) |
| Highland to Riverdale (Illinois) | 1,682.79 mi (2,708.18 km) |
| Highland to Riverside (California) | 17.79 mi (28.63 km) |
| Highland to Riverside (Ohio) | 1,855.12 mi (2,985.52 km) |
| Highland to Riverton (Utah) | 526.65 mi (847.57 km) |
| Highland to Riverton (Wyoming) | 776.33 mi (1,249.38 km) |
| Highland to Riverview (Florida) | 2,100.04 mi (3,379.69 km) |
| Highland to Riverview (Michigan) | 1,913.91 mi (3,080.14 km) |
| Highland to Riviera Beach (Florida) | 2,253.67 mi (3,626.93 km) |
| Highland to Riviera Beach (Maryland) | 2,260.95 mi (3,638.65 km) |
| Highland to Roanoke (Virginia) | 2,085.80 mi (3,356.77 km) |
| Highland to Roanoke Rapids (North Carolina) | 2,219.19 mi (3,571.43 km) |
| Highland to Robbinsdale (Minnesota) | 1,468.16 mi (2,362.77 km) |
