| Glencullen to Romeoville (Illinois) | 3,694.16 mi (5,945.18 km) |
| Glencullen to Romulus (Michigan) | 3,485.11 mi (5,608.75 km) |
| Glencullen to Ronkonkoma (New York) | 3,142.40 mi (5,057.21 km) |
| Glencullen to Roosevelt (New York) | 3,166.39 mi (5,095.82 km) |
| Glencullen to Rosamond (California) | 5,120.20 mi (8,240.16 km) |
| Glencullen to Rosaryville (Maryland) | 3,383.22 mi (5,444.76 km) |
| Glencullen to Roscoe (Illinois) | 3,691.63 mi (5,941.11 km) |
| Glencullen to Rose Hill (Virginia) | 3,393.67 mi (5,461.58 km) |
| Glencullen to Roseburg (Oregon) | 4,804.75 mi (7,732.49 km) |
| Glencullen to Rosedale (California) | 5,122.83 mi (8,244.39 km) |
| Glencullen to Rosedale (Maryland) | 3,344.88 mi (5,383.06 km) |
| Glencullen to Roselle (Illinois) | 3,677.39 mi (5,918.18 km) |
| Glencullen to Roselle (New Jersey) | 3,194.86 mi (5,141.63 km) |
| Glencullen to Roselle Park (New Jersey) | 3,194.57 mi (5,141.17 km) |
| Glencullen to Rosemead (California) | 5,160.81 mi (8,305.52 km) |
