| Hackettstown to Rosemont (California) | 2,449.42 mi (3,941.96 km) |
| Hackettstown to Rosemount (Minnesota) | 960.68 mi (1,546.06 km) |
| Hackettstown to Rosenberg (Texas) | 1,413.90 mi (2,275.45 km) |
| Hackettstown to Roseville (California) | 2,442.67 mi (3,931.10 km) |
| Hackettstown to Roseville (Michigan) | 433.68 mi (697.94 km) |
| Hackettstown to Roseville (Minnesota) | 968.27 mi (1,558.27 km) |
| Hackettstown to Rossmoor (California) | 2,401.18 mi (3,864.32 km) |
| Hackettstown to Rossville (Maryland) | 135.30 mi (217.75 km) |
| Hackettstown to Roswell (Georgia) | 702.58 mi (1,130.70 km) |
| Hackettstown to Roswell (New Mexico) | 1,706.80 mi (2,746.82 km) |
| Hackettstown to Round Lake (Illinois) | 693.11 mi (1,115.46 km) |
| Hackettstown to Round Lake Beach (Illinois) | 692.03 mi (1,113.71 km) |
| Hackettstown to Round Rock (Texas) | 1,460.41 mi (2,350.31 km) |
| Hackettstown to Rowland Heights (California) | 2,386.07 mi (3,840.01 km) |
| Hackettstown to Rowlett (Texas) | 1,315.14 mi (2,116.51 km) |
