| Guaynabo to Medford (New York) | 1,603.04 mi (2,579.84 km) |
| Guaynabo to Medford (Oregon) | 3,685.22 mi (5,930.79 km) |
| Guaynabo to Medina (Ohio) | 1,827.47 mi (2,941.03 km) |
| Guaynabo to Medulla (Florida) | 1,203.95 mi (1,937.56 km) |
| Guaynabo to Mehlville (Missouri) | 2,011.12 mi (3,236.58 km) |
| Guaynabo to Melbourne (Florida) | 1,140.51 mi (1,835.47 km) |
| Guaynabo to Melissa (Texas) | 2,143.33 mi (3,449.36 km) |
| Guaynabo to Melrose (Massachusetts) | 1,688.36 mi (2,717.16 km) |
| Guaynabo to Melrose Park (Illinois) | 2,067.93 mi (3,328.01 km) |
| Guaynabo to Melville (New York) | 1,606.99 mi (2,586.20 km) |
| Guaynabo to Melvindale (Michigan) | 1,931.10 mi (3,107.80 km) |
| Guaynabo to Memphis (Florida) | 1,220.93 mi (1,964.90 km) |
| Guaynabo to Memphis (Tennessee) | 1,862.20 mi (2,996.92 km) |
| Guaynabo to Menasha (Wisconsin) | 2,202.64 mi (3,544.81 km) |
| Guaynabo to Mendota (California) | 3,506.12 mi (5,642.56 km) |
