| Killarney to Morristown (New Jersey) | 3,080.50 mi (4,957.58 km) |
| Killarney to Morristown (Tennessee) | 3,649.61 mi (5,873.48 km) |
| Killarney to Morrisville (North Carolina) | 3,480.89 mi (5,601.95 km) |
| Killarney to Morro Bay (California) | 5,119.53 mi (8,239.09 km) |
| Killarney to Morton (Illinois) | 3,696.89 mi (5,949.57 km) |
| Killarney to Morton Grove (Illinois) | 3,566.59 mi (5,739.87 km) |
| Killarney to Moscow (Idaho) | 4,381.33 mi (7,051.07 km) |
| Killarney to Moses Lake (Washington) | 4,430.26 mi (7,129.81 km) |
| Killarney to Moss Bluff (Louisiana) | 4,343.02 mi (6,989.41 km) |
| Killarney to Moss Point (Mississippi) | 4,144.08 mi (6,669.24 km) |
| Killarney to Moultrie (Georgia) | 3,909.38 mi (6,291.54 km) |
| Killarney to Mounds View (Minnesota) | 3,639.61 mi (5,857.38 km) |
| Killarney to Mount Airy (North Carolina) | 3,524.34 mi (5,671.87 km) |
| Killarney to Mount Clemens (Michigan) | 3,347.51 mi (5,387.30 km) |
| Killarney to Mount Dora (Florida) | 3,934.54 mi (6,332.02 km) |
