| Cobh to Rosemont (California) | 5,008.69 mi (8,060.70 km) |
| Cobh to Rosemount (Minnesota) | 3,702.49 mi (5,958.58 km) |
| Cobh to Rosenberg (Texas) | 4,541.71 mi (7,309.17 km) |
| Cobh to Roseville (California) | 4,995.20 mi (8,038.99 km) |
| Cobh to Roseville (Michigan) | 3,406.91 mi (5,482.89 km) |
| Cobh to Roseville (Minnesota) | 3,693.84 mi (5,944.66 km) |
| Cobh to Rossmoor (California) | 5,162.45 mi (8,308.16 km) |
| Cobh to Rossville (Maryland) | 3,278.50 mi (5,276.24 km) |
| Cobh to Roswell (Georgia) | 3,848.35 mi (6,193.32 km) |
| Cobh to Roswell (New Mexico) | 4,689.88 mi (7,547.63 km) |
| Cobh to Round Lake (Illinois) | 3,618.81 mi (5,823.91 km) |
| Cobh to Round Lake Beach (Illinois) | 3,616.26 mi (5,819.81 km) |
| Cobh to Round Rock (Texas) | 4,566.27 mi (7,348.71 km) |
| Cobh to Rowland Heights (California) | 5,145.83 mi (8,281.41 km) |
| Cobh to Rowlett (Texas) | 4,400.89 mi (7,082.55 km) |
