| Watford to Merrick (New York) | 3,431.26 mi (5,522.08 km) |
| Watford to Merrifield (Virginia) | 3,660.40 mi (5,890.84 km) |
| Watford to Merrillville (Indiana) | 3,939.68 mi (6,340.29 km) |
| Watford to Merritt Island (Florida) | 4,307.17 mi (6,931.72 km) |
| Watford to Mesa (Arizona) | 5,244.94 mi (8,440.91 km) |
| Watford to Mesquite (Nevada) | 5,136.60 mi (8,266.55 km) |
| Watford to Mesquite (Texas) | 4,725.93 mi (7,605.65 km) |
| Watford to Metairie (Louisiana) | 4,614.50 mi (7,426.32 km) |
| Watford to Methuen Town (Massachusetts) | 3,246.69 mi (5,225.04 km) |
| Watford to Metuchen (New Jersey) | 3,469.01 mi (5,582.84 km) |
| Watford to Mexico (Missouri) | 4,223.29 mi (6,796.72 km) |
| Watford to Miami (Florida) | 4,415.07 mi (7,105.38 km) |
| Watford to Miami (Oklahoma) | 4,449.76 mi (7,161.20 km) |
| Watford to Miami Beach (Florida) | 4,410.42 mi (7,097.88 km) |
| Watford to Miami Gardens (Florida) | 4,408.38 mi (7,094.60 km) |
