| Castelo Branco to Marshall (Minnesota) | 4,304.82 mi (6,927.94 km) |
| Castelo Branco to Marshall (Missouri) | 4,376.60 mi (7,043.45 km) |
| Castelo Branco to Marshall (Texas) | 4,675.44 mi (7,524.39 km) |
| Castelo Branco to Marshalltown (Iowa) | 4,261.49 mi (6,858.20 km) |
| Castelo Branco to Marshfield (Wisconsin) | 4,054.54 mi (6,525.16 km) |
| Castelo Branco to Martha Lake (Washington) | 5,181.03 mi (8,338.06 km) |
| Castelo Branco to Martin (Tennessee) | 4,270.31 mi (6,872.40 km) |
| Castelo Branco to Martinez (California) | 5,653.97 mi (9,099.19 km) |
| Castelo Branco to Martinez (Georgia) | 4,036.45 mi (6,496.04 km) |
| Castelo Branco to Martinsburg (West Virginia) | 3,645.53 mi (5,866.92 km) |
| Castelo Branco to Martinsville (Indiana) | 4,051.27 mi (6,519.90 km) |
| Castelo Branco to Martinsville (New Jersey) | 3,448.93 mi (5,550.52 km) |
| Castelo Branco to Martinsville (Virginia) | 3,821.48 mi (6,150.08 km) |
| Castelo Branco to Maryland City (Maryland) | 3,598.68 mi (5,791.51 km) |
| Castelo Branco to Maryland Heights (Missouri) | 4,264.24 mi (6,862.64 km) |
