| Hackettstown to Roy (Utah) | 1,925.72 mi (3,099.15 km) |
| Hackettstown to Royal Kunia (Hawaii) | 4,920.38 mi (7,918.59 km) |
| Hackettstown to Royal Oak (Michigan) | 444.49 mi (715.34 km) |
| Hackettstown to Royal Palm Beach (Florida) | 1,025.09 mi (1,649.73 km) |
| Hackettstown to Royse City (Texas) | 1,301.47 mi (2,094.51 km) |
| Hackettstown to Ruskin (Florida) | 1,005.56 mi (1,618.30 km) |
| Hackettstown to Russellville (Alabama) | 829.46 mi (1,334.89 km) |
| Hackettstown to Russellville (Arkansas) | 1,065.56 mi (1,714.85 km) |
| Hackettstown to Ruston (Louisiana) | 1,138.79 mi (1,832.70 km) |
| Hackettstown to Rutherford (New Jersey) | 37.71 mi (60.69 km) |
| Hackettstown to Rutland (Vermont) | 212.52 mi (342.02 km) |
| Hackettstown to Sabana Grande (Puerto Rico) | 1,641.05 mi (2,641.01 km) |
| Hackettstown to Sachse (Texas) | 1,314.63 mi (2,115.70 km) |
| Hackettstown to Saco (Maine) | 290.27 mi (467.15 km) |
| Hackettstown to Sacramento (California) | 2,454.76 mi (3,950.56 km) |
