| Gaithersburg to Chicago Ridge (Illinois) | 583.01 mi (938.27 km) |
| Gaithersburg to Chickasha (Oklahoma) | 1,174.43 mi (1,890.06 km) |
| Gaithersburg to Chico (California) | 2,355.09 mi (3,790.15 km) |
| Gaithersburg to Chicopee (Massachusetts) | 321.40 mi (517.24 km) |
| Gaithersburg to Chillicothe (Ohio) | 309.63 mi (498.30 km) |
| Gaithersburg to Chillum (Maryland) | 17.10 mi (27.52 km) |
| Gaithersburg to Chino (California) | 2,254.24 mi (3,627.85 km) |
| Gaithersburg to Chino Hills (California) | 2,258.27 mi (3,634.33 km) |
| Gaithersburg to Chino Valley (Arizona) | 1,954.58 mi (3,145.59 km) |
| Gaithersburg to Chippewa Falls (Wisconsin) | 828.98 mi (1,334.11 km) |
| Gaithersburg to Choctaw (Oklahoma) | 1,128.09 mi (1,815.49 km) |
| Gaithersburg to Chowchilla (California) | 2,320.72 mi (3,734.83 km) |
| Gaithersburg to Christiansburg (Virginia) | 221.43 mi (356.36 km) |
| Gaithersburg to Chubbuck (Idaho) | 1,842.12 mi (2,964.61 km) |
| Gaithersburg to Chula Vista (California) | 2,254.45 mi (3,628.18 km) |
