| Glencullen to Robertsville (New Jersey) | 3,210.10 mi (5,166.16 km) |
| Glencullen to Robinson (Texas) | 4,546.64 mi (7,317.12 km) |
| Glencullen to Robstown (Texas) | 4,760.27 mi (7,660.92 km) |
| Glencullen to Rochester (Michigan) | 3,454.77 mi (5,559.91 km) |
| Glencullen to Rochester (Minnesota) | 3,746.47 mi (6,029.37 km) |
| Glencullen to Rochester (New Hampshire) | 2,949.26 mi (4,746.37 km) |
| Glencullen to Rochester (New York) | 3,218.84 mi (5,180.23 km) |
| Glencullen to Rochester Hills (Michigan) | 3,457.17 mi (5,563.78 km) |
| Glencullen to Rock Hill (South Carolina) | 3,733.13 mi (6,007.89 km) |
| Glencullen to Rock Island (Illinois) | 3,795.86 mi (6,108.84 km) |
| Glencullen to Rock Springs (Wyoming) | 4,454.49 mi (7,168.81 km) |
| Glencullen to Rockford (Illinois) | 3,701.46 mi (5,956.93 km) |
| Glencullen to Rockledge (Florida) | 4,050.54 mi (6,518.71 km) |
| Glencullen to Rocklin (California) | 4,993.25 mi (8,035.86 km) |
| Glencullen to Rockport (Texas) | 4,724.41 mi (7,603.20 km) |
