| Glastonbury to Cicero (Illinois) | 3,865.89 mi (6,221.55 km) |
| Glastonbury to Cimarron Hills (Colorado) | 4,644.52 mi (7,474.64 km) |
| Glastonbury to Cincinnati (Ohio) | 3,860.35 mi (6,212.63 km) |
| Glastonbury to Cinco Ranch (Texas) | 4,771.68 mi (7,679.28 km) |
| Glastonbury to Circleville (Ohio) | 3,775.91 mi (6,076.75 km) |
| Glastonbury to Citrus (California) | 5,357.05 mi (8,621.34 km) |
| Glastonbury to Citrus Heights (California) | 5,207.08 mi (8,379.98 km) |
| Glastonbury to Citrus Park (Florida) | 4,308.09 mi (6,933.21 km) |
| Glastonbury to Claiborne (Louisiana) | 4,486.64 mi (7,220.55 km) |
| Glastonbury to Claremont (California) | 5,350.71 mi (8,611.13 km) |
| Glastonbury to Claremont (New Hampshire) | 3,183.91 mi (5,124.01 km) |
| Glastonbury to Claremore (Oklahoma) | 4,433.85 mi (7,135.60 km) |
| Glastonbury to Clarksburg (Maryland) | 3,561.37 mi (5,731.47 km) |
| Glastonbury to Clarksburg (West Virginia) | 3,684.28 mi (5,929.28 km) |
| Glastonbury to Clarksdale (Mississippi) | 4,339.14 mi (6,983.18 km) |
