| Gaithersburg to Channelview (Texas) | 1,203.49 mi (1,936.83 km) |
| Gaithersburg to Chantilly (Virginia) | 21.18 mi (34.08 km) |
| Gaithersburg to Chaparral (New Mexico) | 1,703.45 mi (2,741.44 km) |
| Gaithersburg to Chapel Hill (North Carolina) | 243.14 mi (391.29 km) |
| Gaithersburg to Charleston (Illinois) | 586.32 mi (943.60 km) |
| Gaithersburg to Charleston (South Carolina) | 462.84 mi (744.88 km) |
| Gaithersburg to Charleston (West Virginia) | 244.24 mi (393.07 km) |
| Gaithersburg to Charlotte (North Carolina) | 336.46 mi (541.48 km) |
| Gaithersburg to Charlottesville (Virginia) | 102.31 mi (164.66 km) |
| Gaithersburg to Chaska (Minnesota) | 926.96 mi (1,491.79 km) |
| Gaithersburg to Chatham (Illinois) | 666.79 mi (1,073.10 km) |
| Gaithersburg to Chattanooga (Tennessee) | 524.16 mi (843.56 km) |
| Gaithersburg to Cheat Lake (West Virginia) | 145.84 mi (234.70 km) |
| Gaithersburg to Chelsea (Alabama) | 660.06 mi (1,062.27 km) |
| Gaithersburg to Chelsea (Massachusetts) | 394.02 mi (634.11 km) |
