| Glastonbury to Castle Rock (Colorado) | 4,623.40 mi (7,440.64 km) |
| Glastonbury to Castro Valley (California) | 5,287.05 mi (8,508.68 km) |
| Glastonbury to Catalina Foothills (Arizona) | 5,214.60 mi (8,392.09 km) |
| Glastonbury to Cataño (Puerto Rico) | 4,088.27 mi (6,579.44 km) |
| Glastonbury to Cathedral City (California) | 5,324.94 mi (8,569.66 km) |
| Glastonbury to Catonsville (Maryland) | 3,537.96 mi (5,693.80 km) |
| Glastonbury to Cave Spring (Virginia) | 3,764.18 mi (6,057.86 km) |
| Glastonbury to Cayce (South Carolina) | 3,959.49 mi (6,372.18 km) |
| Glastonbury to Cayey (Puerto Rico) | 4,105.97 mi (6,607.92 km) |
| Glastonbury to Cedar City (Utah) | 4,999.06 mi (8,045.20 km) |
| Glastonbury to Cedar Falls (Iowa) | 4,014.36 mi (6,460.49 km) |
| Glastonbury to Cedar Hill (Texas) | 4,674.28 mi (7,522.53 km) |
| Glastonbury to Cedar Lake (Indiana) | 3,874.99 mi (6,236.20 km) |
| Glastonbury to Cedar Mill (Oregon) | 4,863.87 mi (7,827.65 km) |
| Glastonbury to Cedar Park (Texas) | 4,814.33 mi (7,747.91 km) |
