| Killarney to Red Bank (New Jersey) | 3,082.37 mi (4,960.60 km) |
| Killarney to Red Bank (Tennessee) | 3,783.17 mi (6,088.42 km) |
| Killarney to Red Bluff (California) | 4,898.80 mi (7,883.86 km) |
| Killarney to Red Hill (South Carolina) | 3,584.06 mi (5,767.99 km) |
| Killarney to Red Oak (Texas) | 4,376.83 mi (7,043.83 km) |
| Killarney to Red Wing (Minnesota) | 3,640.13 mi (5,858.22 km) |
| Killarney to Redan (Georgia) | 3,801.42 mi (6,117.79 km) |
| Killarney to Redding (California) | 4,880.81 mi (7,854.90 km) |
| Killarney to Redland (Maryland) | 3,262.62 mi (5,250.67 km) |
| Killarney to Redlands (California) | 5,065.99 mi (8,152.93 km) |
| Killarney to Redmond (Oregon) | 4,641.88 mi (7,470.39 km) |
| Killarney to Redmond (Washington) | 4,485.36 mi (7,218.48 km) |
| Killarney to Redondo Beach (California) | 5,118.62 mi (8,237.63 km) |
| Killarney to Redwood City (California) | 5,046.41 mi (8,121.42 km) |
| Killarney to Reedley (California) | 5,004.50 mi (8,053.97 km) |
