| Castle Rock to Miami Lakes (Florida) | 1,694.77 mi (2,727.47 km) |
| Castle Rock to Miami Shores (Florida) | 1,703.66 mi (2,741.78 km) |
| Castle Rock to Miami Springs (Florida) | 1,700.39 mi (2,736.51 km) |
| Castle Rock to Miamisburg (Ohio) | 1,094.93 mi (1,762.12 km) |
| Castle Rock to Michigan City (Indiana) | 956.11 mi (1,538.72 km) |
| Castle Rock to Middle Island (New York) | 1,679.49 mi (2,702.88 km) |
| Castle Rock to Middle River (Maryland) | 1,512.32 mi (2,433.85 km) |
| Castle Rock to Middle Valley (Tennessee) | 1,116.23 mi (1,796.39 km) |
| Castle Rock to Middleburg (Florida) | 1,448.43 mi (2,331.02 km) |
| Castle Rock to Middleburg Heights (Ohio) | 1,216.88 mi (1,958.37 km) |
| Castle Rock to Middlesex (New Jersey) | 1,601.26 mi (2,576.98 km) |
| Castle Rock to Middleton (Wisconsin) | 836.55 mi (1,346.30 km) |
| Castle Rock to Middletown (Connecticut) | 1,689.45 mi (2,718.91 km) |
| Castle Rock to Middletown (Delaware) | 1,548.47 mi (2,492.02 km) |
| Castle Rock to Middletown (New York) | 1,598.98 mi (2,573.30 km) |
