| Cobh to Robertsville (New Jersey) | 3,145.58 mi (5,062.32 km) |
| Cobh to Robinson (Texas) | 4,497.55 mi (7,238.11 km) |
| Cobh to Robstown (Texas) | 4,706.56 mi (7,574.48 km) |
| Cobh to Rochester (Michigan) | 3,406.57 mi (5,482.34 km) |
| Cobh to Rochester (Minnesota) | 3,712.97 mi (5,975.44 km) |
| Cobh to Rochester (New Hampshire) | 2,887.14 mi (4,646.40 km) |
| Cobh to Rochester (New York) | 3,164.73 mi (5,093.14 km) |
| Cobh to Rochester Hills (Michigan) | 3,408.97 mi (5,486.20 km) |
| Cobh to Rock Hill (South Carolina) | 3,667.20 mi (5,901.79 km) |
| Cobh to Rock Island (Illinois) | 3,754.86 mi (6,042.86 km) |
| Cobh to Rock Springs (Wyoming) | 4,438.93 mi (7,143.77 km) |
| Cobh to Rockford (Illinois) | 3,660.03 mi (5,890.24 km) |
| Cobh to Rockledge (Florida) | 3,973.63 mi (6,394.94 km) |
| Cobh to Rocklin (California) | 4,990.86 mi (8,032.02 km) |
| Cobh to Rockport (Texas) | 4,670.16 mi (7,515.89 km) |
