| Killarney to Monticello (Minnesota) | 3,653.24 mi (5,879.32 km) |
| Killarney to Montrose (Colorado) | 4,499.51 mi (7,241.27 km) |
| Killarney to Moody (Alabama) | 3,904.84 mi (6,284.24 km) |
| Killarney to Moore (Oklahoma) | 4,264.20 mi (6,862.57 km) |
| Killarney to Moorestown-Lenola (New Jersey) | 3,135.96 mi (5,046.84 km) |
| Killarney to Mooresville (North Carolina) | 3,575.69 mi (5,754.52 km) |
| Killarney to Moorhead (Minnesota) | 3,691.78 mi (5,941.35 km) |
| Killarney to Moorpark (California) | 5,112.34 mi (8,227.52 km) |
| Killarney to Moraga (California) | 5,024.09 mi (8,085.50 km) |
| Killarney to Moreno Valley (California) | 5,074.09 mi (8,165.96 km) |
| Killarney to Morgan City (Louisiana) | 4,290.27 mi (6,904.53 km) |
| Killarney to Morgan Hill (California) | 5,047.93 mi (8,123.85 km) |
| Killarney to Morganton (North Carolina) | 3,604.81 mi (5,801.38 km) |
| Killarney to Morgantown (West Virginia) | 3,356.24 mi (5,401.34 km) |
| Killarney to Morris (Illinois) | 3,621.60 mi (5,828.40 km) |
