| Castelo Branco to Merrick (New York) | 3,398.06 mi (5,468.64 km) |
| Castelo Branco to Merrifield (Virginia) | 3,626.61 mi (5,836.46 km) |
| Castelo Branco to Merrillville (Indiana) | 4,026.65 mi (6,480.27 km) |
| Castelo Branco to Merritt Island (Florida) | 4,147.95 mi (6,675.48 km) |
| Castelo Branco to Mesa (Arizona) | 5,441.41 mi (8,757.10 km) |
| Castelo Branco to Mesquite (Nevada) | 5,390.69 mi (8,675.48 km) |
| Castelo Branco to Mesquite (Texas) | 4,774.09 mi (7,683.16 km) |
| Castelo Branco to Metairie (Louisiana) | 4,568.02 mi (7,351.51 km) |
| Castelo Branco to Methuen Town (Massachusetts) | 3,233.30 mi (5,203.50 km) |
| Castelo Branco to Metuchen (New Jersey) | 3,440.22 mi (5,536.51 km) |
| Castelo Branco to Mexico (Missouri) | 4,313.65 mi (6,942.14 km) |
| Castelo Branco to Miami (Florida) | 4,217.96 mi (6,788.15 km) |
| Castelo Branco to Miami (Oklahoma) | 4,534.98 mi (7,298.35 km) |
| Castelo Branco to Miami Beach (Florida) | 4,213.04 mi (6,780.22 km) |
| Castelo Branco to Miami Gardens (Florida) | 4,213.65 mi (6,781.22 km) |
