| Killarney to Rancho Cordova (California) | 4,955.44 mi (7,975.01 km) |
| Killarney to Rancho Cucamonga (California) | 5,075.79 mi (8,168.70 km) |
| Killarney to Rancho Mirage (California) | 5,055.54 mi (8,136.10 km) |
| Killarney to Rancho Palos Verdes (California) | 5,123.80 mi (8,245.95 km) |
| Killarney to Rancho San Diego (California) | 5,127.65 mi (8,252.16 km) |
| Killarney to Rancho Santa Margarita (California) | 5,103.92 mi (8,213.97 km) |
| Killarney to Randallstown (Maryland) | 3,237.94 mi (5,210.97 km) |
| Killarney to Rantoul (Illinois) | 3,658.95 mi (5,888.52 km) |
| Killarney to Rapid City (South Dakota) | 4,053.84 mi (6,524.03 km) |
| Killarney to Ravenna (Ohio) | 3,342.95 mi (5,379.96 km) |
| Killarney to Raymondville (Texas) | 4,725.61 mi (7,605.14 km) |
| Killarney to Raymore (Missouri) | 3,977.25 mi (6,400.76 km) |
| Killarney to Raytown (Missouri) | 3,968.38 mi (6,386.48 km) |
| Killarney to Reading (Ohio) | 3,558.00 mi (5,726.05 km) |
| Killarney to Reading (Pennsylvania) | 3,159.95 mi (5,085.45 km) |
