| Glenmont to Carlsbad (California) | 2,264.76 mi (3,644.78 km) |
| Glenmont to Carlsbad (New Mexico) | 1,586.29 mi (2,552.89 km) |
| Glenmont to Carmel (Indiana) | 488.71 mi (786.50 km) |
| Glenmont to Carmichael (California) | 2,358.67 mi (3,795.92 km) |
| Glenmont to Carney (Maryland) | 36.34 mi (58.48 km) |
| Glenmont to Carnot-Moon (Pennsylvania) | 195.84 mi (315.18 km) |
| Glenmont to Carol Stream (Illinois) | 614.20 mi (988.46 km) |
| Glenmont to Carolina (Puerto Rico) | 1,574.31 mi (2,533.61 km) |
| Glenmont to Carolina Forest (South Carolina) | 380.90 mi (613.00 km) |
| Glenmont to Carpentersville (Illinois) | 625.84 mi (1,007.18 km) |
| Glenmont to Carpinteria (California) | 2,352.05 mi (3,785.26 km) |
| Glenmont to Carrboro (North Carolina) | 244.33 mi (393.20 km) |
| Glenmont to Carroll (Iowa) | 955.96 mi (1,538.47 km) |
| Glenmont to Carrollton (Georgia) | 586.02 mi (943.11 km) |
| Glenmont to Carrollton (Texas) | 1,183.16 mi (1,904.11 km) |
