| Zachary to Robbinsdale (Minnesota) | 999.24 mi (1,608.12 km) |
| Zachary to Robertsville (New Jersey) | 1,157.43 mi (1,862.70 km) |
| Zachary to Robinson (Texas) | 356.68 mi (574.02 km) |
| Zachary to Robstown (Texas) | 439.44 mi (707.21 km) |
| Zachary to Rochester (Michigan) | 941.60 mi (1,515.36 km) |
| Zachary to Rochester (Minnesota) | 925.26 mi (1,489.06 km) |
| Zachary to Rochester (New Hampshire) | 1,408.87 mi (2,267.36 km) |
| Zachary to Rochester (New York) | 1,139.94 mi (1,834.55 km) |
| Zachary to Rochester Hills (Michigan) | 939.34 mi (1,511.73 km) |
| Zachary to Rock Hill (South Carolina) | 658.37 mi (1,059.54 km) |
| Zachary to Rock Island (Illinois) | 747.29 mi (1,202.65 km) |
| Zachary to Rock Springs (Wyoming) | 1,254.94 mi (2,019.63 km) |
| Zachary to Rockford (Illinois) | 809.53 mi (1,302.81 km) |
| Zachary to Rockledge (Florida) | 647.40 mi (1,041.88 km) |
| Zachary to Rocklin (California) | 1,789.01 mi (2,879.13 km) |
