| Killarney to Reidsville (North Carolina) | 3,492.90 mi (5,621.28 km) |
| Killarney to Reisterstown (Maryland) | 3,234.83 mi (5,205.96 km) |
| Killarney to Rendon (Texas) | 4,391.86 mi (7,068.02 km) |
| Killarney to Reno (Nevada) | 4,856.12 mi (7,815.17 km) |
| Killarney to Renton (Washington) | 4,498.20 mi (7,239.16 km) |
| Killarney to Republic (Missouri) | 4,016.49 mi (6,463.91 km) |
| Killarney to Reston (Virginia) | 3,278.97 mi (5,276.99 km) |
| Killarney to Revere (Massachusetts) | 2,869.60 mi (4,618.18 km) |
| Killarney to Rexburg (Idaho) | 4,363.09 mi (7,021.71 km) |
| Killarney to Reynoldsburg (Ohio) | 3,458.60 mi (5,566.08 km) |
| Killarney to Rialto (California) | 5,069.99 mi (8,159.36 km) |
| Killarney to Richardson (Texas) | 4,351.16 mi (7,002.52 km) |
| Killarney to Richfield (Minnesota) | 3,652.65 mi (5,878.37 km) |
| Killarney to Richfield (Wisconsin) | 3,531.77 mi (5,683.84 km) |
| Killarney to Richland (Washington) | 4,475.63 mi (7,202.83 km) |
