| Pecos to Marrero (Louisiana) | 803.30 mi (1,292.79 km) |
| Pecos to Marshall (Minnesota) | 994.22 mi (1,600.03 km) |
| Pecos to Marshall (Missouri) | 788.49 mi (1,268.95 km) |
| Pecos to Marshall (Texas) | 542.98 mi (873.85 km) |
| Pecos to Marshalltown (Iowa) | 939.52 mi (1,512.01 km) |
| Pecos to Marshfield (Wisconsin) | 1,166.26 mi (1,876.91 km) |
| Pecos to Martha Lake (Washington) | 1,503.06 mi (2,418.95 km) |
| Pecos to Martin (Tennessee) | 906.93 mi (1,459.57 km) |
| Pecos to Martinez (California) | 1,147.93 mi (1,847.41 km) |
| Pecos to Martinez (Georgia) | 1,255.20 mi (2,020.04 km) |
| Pecos to Martinsburg (West Virginia) | 1,535.57 mi (2,471.26 km) |
| Pecos to Martinsville (Indiana) | 1,107.65 mi (1,782.59 km) |
| Pecos to Martinsville (New Jersey) | 1,728.66 mi (2,782.01 km) |
| Pecos to Martinsville (Virginia) | 1,398.75 mi (2,251.08 km) |
| Pecos to Maryland City (Maryland) | 1,591.59 mi (2,561.41 km) |
