| Cobh to Rockville (Maryland) | 3,318.63 mi (5,340.82 km) |
| Cobh to Rockville Centre (New York) | 3,104.59 mi (4,996.36 km) |
| Cobh to Rockwall (Texas) | 4,396.37 mi (7,075.27 km) |
| Cobh to Rocky Mount (North Carolina) | 3,484.94 mi (5,608.47 km) |
| Cobh to Rocky Point (New York) | 3,064.01 mi (4,931.05 km) |
| Cobh to Rocky River (Ohio) | 3,407.82 mi (5,484.36 km) |
| Cobh to Roessleville (New York) | 3,027.52 mi (4,872.32 km) |
| Cobh to Rogers (Arkansas) | 4,137.75 mi (6,659.07 km) |
| Cobh to Rogers (Minnesota) | 3,702.05 mi (5,957.88 km) |
| Cobh to Rohnert Park (California) | 5,062.76 mi (8,147.73 km) |
| Cobh to Rolla (Missouri) | 3,964.77 mi (6,380.68 km) |
| Cobh to Rolling Meadows (Illinois) | 3,627.56 mi (5,838.00 km) |
| Cobh to Roma (Texas) | 4,832.32 mi (7,776.87 km) |
| Cobh to Rome (Georgia) | 3,872.19 mi (6,231.69 km) |
| Cobh to Rome (New York) | 3,075.76 mi (4,949.95 km) |
