| Castelo Branco to Manor (Texas) | 4,914.93 mi (7,909.81 km) |
| Castelo Branco to Manorville (New York) | 3,355.74 mi (5,400.54 km) |
| Castelo Branco to Mansfield (Ohio) | 3,825.03 mi (6,155.79 km) |
| Castelo Branco to Mansfield (Texas) | 4,807.17 mi (7,736.40 km) |
| Castelo Branco to Manteca (California) | 5,629.65 mi (9,060.05 km) |
| Castelo Branco to Manville (New Jersey) | 3,451.22 mi (5,554.21 km) |
| Castelo Branco to Maple Grove (Minnesota) | 4,182.93 mi (6,731.77 km) |
| Castelo Branco to Maple Heights (Ohio) | 3,760.62 mi (6,052.14 km) |
| Castelo Branco to Maple Valley (Washington) | 5,197.46 mi (8,364.50 km) |
| Castelo Branco to Mapleton (Utah) | 5,137.01 mi (8,267.22 km) |
| Castelo Branco to Maplewood (Minnesota) | 4,168.18 mi (6,708.04 km) |
| Castelo Branco to Marana (Arizona) | 5,460.05 mi (8,787.10 km) |
| Castelo Branco to Marco Island (Florida) | 4,289.85 mi (6,903.85 km) |
| Castelo Branco to Margate (Florida) | 4,200.67 mi (6,760.32 km) |
| Castelo Branco to Maricopa (Arizona) | 5,470.08 mi (8,803.24 km) |
