| Killarney to Merrick (New York) | 3,048.20 mi (4,905.60 km) |
| Killarney to Merrifield (Virginia) | 3,278.03 mi (5,275.48 km) |
| Killarney to Merrillville (Indiana) | 3,573.29 mi (5,750.66 km) |
| Killarney to Merritt Island (Florida) | 3,918.55 mi (6,306.30 km) |
| Killarney to Mesa (Arizona) | 4,905.56 mi (7,894.73 km) |
| Killarney to Mesquite (Nevada) | 4,810.72 mi (7,742.11 km) |
| Killarney to Mesquite (Texas) | 4,356.84 mi (7,011.65 km) |
| Killarney to Metairie (Louisiana) | 4,233.66 mi (6,813.41 km) |
| Killarney to Methuen Town (Massachusetts) | 2,864.70 mi (4,610.29 km) |
| Killarney to Metuchen (New Jersey) | 3,086.46 mi (4,967.17 km) |
| Killarney to Mexico (Missouri) | 3,858.71 mi (6,210.00 km) |
| Killarney to Miami (Florida) | 4,025.67 mi (6,478.69 km) |
| Killarney to Miami (Oklahoma) | 4,085.31 mi (6,574.67 km) |
| Killarney to Miami Beach (Florida) | 4,021.01 mi (6,471.18 km) |
| Killarney to Miami Gardens (Florida) | 4,019.01 mi (6,467.97 km) |
